Document And Entity Information
Dividend yield
Identified intangible assets
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Note To Financial Statement Details Textual
Significant Accounting Policies
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
Note 2 - Summary of Significant Accounting Policies
Note 4 - Revenue Recognition
Risk-free interest rate
Note 5 - Business Combination
Note 6 - Supplemental Cash Flow Statement Information
Note 7 - Intangible Assets Including Goodwill
Note 8 - Loans Payable
Note 11 - Warrants
Prepaid expenses & other current assets
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
Note 12 - Stock-based Compensation
Accounts receivable
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
Income Tax Disclosure [Text Block]
Note 2 - Summary of Significant Accounting Policies - Allowance for Credit Loss (Details)
Note 2 - Summary of Significant Accounting Policies - Inventories (Details)
Note 4 - Revenue Recognition - Disaggregation of Revenue (Details)
Expected price volatility
Note 5 - Business Combination - Preliminary Purchase Price (Details)
Inventory
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
Note 5 - Business Combination - Components of Preliminary Purchase Price Allocation (Details)
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 5 - Business Combination - Identifiable Intangible Assets (Details)
Schedule of Debt [Table Text Block]
Note 6 - Supplemental Cash Flow Statement Information - Supplemental Cash Flow Statement Information (Details)
Note 7 - Intangible Assets Including Goodwill - Intangible Assets (Details)
Expected term (in years) (Year)
Note 8 - Loans Payable - Outstanding Debt (Details)
Common stock issued to Reflect stockholders
Note 11 - Warrants - Summary of Outstanding Warrants (Details)
Note 12 - Stock-based Compensation - Summary of Outstanding Options (Details)
Net consideration transferred
us-gaap_BusinessCombinationConsiderationTransferred1
Note 12 - Stock-based Compensation - Stock Option Activity (Details)
Note 12 - Stock-based Compensation - Summary of Share Vesting Activity (Details)
Note 12 - Stock-based Compensation - Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions (Details)
Valuation
us-gaap_FinitelivedIntangibleAssetsAcquired1
Amortization period (Year)
us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Liability
us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred
us-gaap_LitigationSettlementAmountAwardedToOtherParty
Litigation Settlement, Amount Awarded to Other Party
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
us-gaap_BusinessAcquisitionSharePrice
Business Acquisition, Share Price (in dollars per share)
Vesting at Share Price Target of $3.00 [Member]
Relating to vesting at share price target of $3.00.
Vesting at Share Price of 2.00 [Member]
Relating to vesting at share price of $2.00.
Vesting at Share Price Target of $4.00 [Member]
Relating to vesting at share price target of $4.00.
us-gaap_DebtCurrent
Debt, Current
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding [Table Text Block]
Vesting at Share Price Target of $5.00 [Member]
Relating to vesting at share price target of $5.00.
us-gaap_LongTermDebtCurrent
Less current maturities
Short-term related party Loan
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term (Year)
Short-term portion of Secured Promissory Note
Conversion of liability warrant to equity warrants
Conversion of liability warrants to equity warrants.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
Loss on warrant amendment
Loss on warrant amendment
Represents loss on warrant amendment.
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in dollars per share)
Balance, Weighted Average Exercise Price (in dollars per share)
Balance, Weighted Average Exercise Price (in dollars per share)
Second Amended and Restated Credit and Security Agreement [Member]
Represents Second Amended and Restated Credit and Security Agreement.
Deferred revenues
crex_GainLossOnChangeInFairValueOfWarrants
Gain on change in fair value of warrants
Represents gain (loss) on change in fair value of warrants.
Forfeited or expired, Weighted Average Exercise Price (in dollars per share)
Goodwill and Intangible Assets Disclosure [Text Block]
Granted, Weighted Average Exercise Price (in dollars per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)
Accrued expenses
Accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)
Balance, Number (in shares)
Balance, Number (in shares)
Property and equipment in accounts payable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Forfeited or expired, Number (in shares)
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Trademarks and Trade Names [Member]
Trade Names [Member]
us-gaap_PaymentsToDevelopSoftware
Capitalization of labor for software development
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchases of property and equipment
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Grantee Status [Domain]
Grantee Status [Axis]
Noncompete Agreements [Member]
Income taxes, net
Percentage of Shares Vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Share-Based Payment Arrangement, Tranche Three [Member]
CURRENT LIABILITIES
Vesting [Axis]
Developed Technology Rights [Member]
Vesting [Domain]
Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Payment Arrangement, Tranche Two [Member]
us-gaap_Assets
TOTAL ASSETS
Plan Name [Axis]
Technology-Based Intangible Assets [Member]
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Customer Relationships [Member]
crex_BusinessAcquisitionContingentConsiderationMaximumSharePrice
Business Acquisition, Contingent Consideration, Maximum Share Price (in dollars per share)
Maximum per share or per unit price of contingent consideration in business acquisition.
crex_BusinessAcquisitionContingentConsiderationThresholdNumberOfBillableDevicesOnline
Business Acquisition, Contingent Consideration, Threshold Number of Billable Devices Online
The threshold number of billable devices online for contingent consideration in business acquisition.
crex_BusinessCombinationContingentConsiderationBillableDevicesOnlineMaximumSharePrice
Business Combination, Contingent Consideration, Billable Devices Online, Maximum Share Price (in dollars per share)
Maximum per share or per unit price if billable devices online hits threshold for contingent consideration in business combination.
us-gaap_LossContingencyDamagesSoughtValue
Loss Contingency, Damages Sought, Value
crex_BusinessAcquisitionExtensionOptionMinimumExtensionThresholdPrice
Business Acquisition, Extension Option, Minimum Extension Threshold Price Percentage
Percentage of minimum extension threshold price per share for extension option un business acquisition.
Share-Based Payment Arrangement [Text Block]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Reflect Systems, Inc. [Member]
Represents Reflect Systems, Inc.
Senior Secured Term Loan [Member]
Represents the senior secured term loan.
Consolidated Term Loan [Member]
Represents the consolidated term loan.
Contingent Consideration by Type [Axis]
Secured Promissory Note [Member]
Represents Secured Promissory Note.
Contingent Consideration Type [Domain]
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
crex_BusinessAcquisitionExtensionOptionMinimumExtensionThresholdPricePercentageIncreaseInPrice
Business Acquisition, Extension Option, Minimum Extension Threshold Price Percentage, Increase in Price
The minimum percentage of extension threshold price for an increase in price for extension option in a business acquisition.
crex_BusinessAcquisitionExtensionOptionMinimumExtensionThresholdPriceIncreaseInPrice
Business Acquisition, Extension Option, Minimum Extension Threshold Price, Increase in Price (in dollars per share)
Per share or per unit increase in price for minimum extension threshold price in extension option of a business acquisition.
Term Loan with Related Party [Member]
Represents Term Loan with related party.
Award Type [Domain]
Award Type [Axis]
Net (loss) income
Net (loss) income
Finite-Lived Intangible Assets, Accumulated Amortization
Intangibles, net
Net book value of amortizable intangible assets
Finite-Lived Intangible Assets, Gross
Share-Based Payment Arrangement, Option [Member]
Warrant [Member]
Business Combination Disclosure [Text Block]
Commitments and Contingencies Disclosure [Text Block]
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Property and equipment, net
Goodwill
Goodwill
Investing activities
us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet
Other
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Provision for income taxes
Accrued expenses
us-gaap_IncreaseDecreaseInAccruedLiabilities
Accounts payable
us-gaap_IncreaseDecreaseInAccountsPayable
us-gaap_OperatingExpenses
Total operating expenses
General and administrative expenses
Acquisition Term Loan [Member]
Represents acquisition term loan.
Warrants in Debt and Equity Offerings to Finance Merger [Member]
Represents warrants issued in debt and equity offerings to finance merger.
Cash and cash equivalents
Term Loan 2022 [Member]
Represents term loan 2022.
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
Warrant amendment
Amount of increase in additional paid in capital (APIC) resulting from the amendment of warrants.
Warrant repricing events
Amount of increase in additional paid in capital (APIC) resulting from the repricing of warrants.
Hardware [Member]
Represents hardware.
Proceeds from sale & exercise of pre-funded warrants in PIPE, net of offering expenses
The cash inflow associated with the amount received from holders issuance and exercising their stock warrants.
Service and Other [Member]
Represents service and other.
Customer deposits
The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understanding.
Amendment Flag
Issuance Date
Shares issued and warrants exercised in private investment in public entity ("PIPE")
Value of stock issued as a result of the exercise of warrants.
Media [Member]
Represents media.
Shares issued and warrants exercised in private investment in public entity ("PIPE") (in shares)
Number of shares of stock issued in connection with warrants exercised during the current period.
City Area Code
Safe Space Solutions [Member]
Represents Safe Space Solutions.
Maturity Date
Maturity Date
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment
Use of Estimates, Policy [Policy Text Block]
Deal and transaction expenses
Amount of deal and transaction costs.
New Accounting Pronouncements, Policy [Policy Text Block]
Vendor [Member]
Represents vendor.
One Vendor [Member]
Represents one vendor.
us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Debt Instrument, Periodic Payment, Principal
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Common stock, shares outstanding (in shares)
Three Customers [Member]
Represents three customers.
crex_DepreciationDepletionAndAmortizationExcludingAmortizationOfDebtDiscountPremium
Depreciation and amortization
The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets, excluding amortization of debt discount or premium.
Current Fiscal Year End Date
Interest Rate
Interest Rate
Debt Instrument, Interest Rate, Stated Percentage
crex_IncreaseDecreaseInCustomerDeposit
Customer deposits
The increase (decrease) during the reporting period in obligations arising from customer deposits.
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
Document Fiscal Period Focus
Document Fiscal Year Focus
Right-of-use assets obtained in exchange for new finance lease liabilities
Document Period End Date
Entity File Number
crex_RevenueRecognitionContractTerm
Revenue Recognition, Contract Term (Month)
Represents contract term under revenue recognition.
Software Licensing and Delivery [Member]
Represents software licensing and delivery.
Entity Emerging Growth Company
Support Service [Member]
Represents support service.
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Document Type
us-gaap_GainsLossesOnExtinguishmentOfDebt
Gain (Loss) on Extinguishment of Debt, Total
Entity Small Business
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
Service [Member]
Installation Services [Member]
Represents installation services.
Entity Filer Category
Debt Instrument [Axis]
Software Development Services [Member]
Represents software development services.
Entity Current Reporting Status
Debt Instrument, Name [Domain]
Managed Services [Member]
Represents managed services.
us-gaap_BusinessCombinationAcquisitionRelatedCosts
Business Combination, Acquisition Related Costs
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Entity Tax Identification Number
Entity Central Index Key
Depreciation and amortization expense
Entity Registrant Name
crex_LitigationSettlementAmountAwardedToOtherPartyCoveredByInsurance
Litigation Settlement, Amount Awarded to Other Party, Covered by Insurance
Represents the amount covered by insurance of the total amount awarded to other party in judgement or settlement of litigation.
Entity [Domain]
Customer Concentration Risk [Member]
Legal Entity [Axis]
Entity Address, Address Line One
Supplier Concentration Risk [Member]
us-gaap_AmortizationOfIntangibleAssets
Amortization of Intangible Assets
Entity Address, City or Town
Entity Address, Postal Zip Code
crex_LitigationSettlementAmountAwardedToOtherPartyNotCoveredByInsurance
Litigation Settlement, Amount Awarded to Other Party, Not Covered by Insurance
Represents the amount not covered by insurance for total amount awarded to other party in judgement or settlement of litigation.
Entity Address, State or Province
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
us-gaap_AllowanceForDoubtfulAccountsReceivable
Balance as of December 31, 2022
Balance as of June 30, 2023
Entity Common Stock, Shares Outstanding
crex_SharebasedCompensationArrangementBySharebasedPaymentAwardRevenueTarget
Share-Based Compensation Arrangement by Share-Based Payment Award, Revenue Target
Represents amount of target revenue under share-based compensation arrangement by share-based payment award.
Revenue Benchmark [Member]
crex_SharebasedCompensationArrangementBySharebasedPaymentAwardEbitdaTarget
Share-Based Compensation Arrangement by Share-Based Payment Award, EBITDA target
Amount of target EBITDA which is earnings before interest, taxes, depreciation and amortization under share-based payment arrangement.
Accounts Receivable [Member]
Acquisition and Consolidation Term Loans [Member]
Represents the acquisition and consolidation term loans.
crex_WarrantOrRightOutstandingFairValuePerWarrant
Warrant or Right Outstanding, Fair Value Per Warrant (in dollars per share)
Per share fair value of warrants or rights outstanding.
us-gaap_IncreaseDecreaseInInventories
Work-in-process and inventories
Trading Symbol
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
crex_BusinessCombinationContingentConsiderationBillableDevicesOnlineReductionInSharePrice
Business Combination, Contingent Consideration, Billable Devices Online, Reduction in Share Price (in dollars per share)
The reduction in the per share or per unit price if billable devices online hits threshold for contingent consideration in business combination.
Shares issued to employees pursuant to the Retention Bonus Plan (in shares)
Stock Issued During Period, Shares, Acquisitions (in shares)
New Options [Member]
Represents new options.
Retention Bonus Plan [Member]
Represents the Retention Bonus Plan.
crex_SharebasedPaymentArrangementGuaranteedPrice
Share-Based Payment Arrangement, Guaranteed Price (in dollars per share)
Guaranteed price under share-based compensation arrangement.
Local Phone Number
Non-executives [Member]
Represents non-executives.
Shares issued to employees pursuant to the Retention Bonus Plan
crex_DeferredCompensationArrangementWithIndividualPercentageOfSharesToBeIssuedYearOne
Deferred Compensation Arrangement with Individual, Percentage of Shares to be Issued, Year One
Percentage of shares to be issued in year one pursuant to the terms of a deferred compensation arrangement.
us-gaap_TableTextBlock
Notes Tables
crex_DeferredCompensationArrangementWithIndividualPercentageOfSharesIssued
Deferred Compensation Arrangement with Individual, Percentage of Shares Issued
Percentage of shares issued pursuant to the terms of a deferred compensation arrangement.
Market Vesting Options [Member]
Represents market vesting options.
crex_DeferredCompensationArrangementWithIndividualPercentageOfSharesToBeIssuedYearTwo
Deferred Compensation Arrangement with Individual, Percentage of Shares to be Issued, Year Two
Percentage of shares to be issued in year two pursuant to the terms of a deferred compensation arrangement.
crex_DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentageToBePaidYearOne
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage to be Paid, Year One
Percentage of commitment made to pay deferred cash remuneration that will be paid in year one.
crex_DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentagePaid
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage Paid
Percentage paid of commitment made to pay deferred cash remuneration.
crex_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssuedAndIssuable
Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued and Issuable
The total fair value of shares issued during the period and issuable under a deferred compensation arrangement.
crex_DeferredCompensationArrangementWithIndividualCashAwardsGrantedPercentageToBePaidYearTwo
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Percentage to be Paid, Year Two
Percentage of commitment made to pay deferred cash remuneration that will be paid in year two.
Total consideration
crex_BusinessCombinationConsideration
Amount of consideration, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.
Vendor deposit with the Company
crex_BusinessCombinationConsiderationTransferredDepositPreviouslyPaid
Business Combination, Consideration Transferred, Deposit Previously Paid
Amount of deposit previously paid by the acquiree for services that is included as part of consideration transferred in a business combination.
Vesting at Share Price Target of $6.00 [Member]
Represents vesting at share price target of $6.00.
Earnout Liability [Member]
Represents earnout liability.
Stock-based compensation (in shares)
crex_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOperatingLeaseLiabilities
Current maturities of operating leases
Amount of operating lease liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.
Bad debt expense
Amounts accrued
Options expected to vest (in shares)
Number of option shares eligible to vest under share-based compensation arrangement.
crex_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOperatingLeaseLiabilities
Long-term obligations under operating leases
Amount of operating lease liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.
Stock-based compensation
Stock-based compensation
Operating right of use assets
crex_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingRightOfUseAssets
Amount of operating right of use assets acquired at the acquisition date.
Granted, Number (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Vesting at Guaranteed Price [Member]
Represents vesting at guaranteed price.
crex_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesCustomerDeposits
Customer deposits
Amount of customer deposits assumed at the acquisition date.
us-gaap_WarrantsAndRightsOutstandingTerm
Warrants and Rights Outstanding, Term (Year)
crex_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses
Accrued expenses
Amount of accrued expenses assumed at the acquisition date.
Sales and marketing expenses
us-gaap_StockIssuedDuringPeriodSharesNewIssues
Stock Issued During Period, Shares, New Issues (in shares)
Raw materials, net of reserve
us-gaap_LiabilitiesAndStockholdersEquity
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY
crex_ClassOfWarrantOrRightFairValuePerWarrant
Class of Warrant or Right, Fair Value Per Warrant (in dollars per share)
Per warrant amount of fair value for class of warrant or right.
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Warrants Classified as Liability [Member]
Represents warrants classified as liabilities.
Purchased and Developed Software [Member]
Represents purchased and developed software.
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Research and development expenses
In-process Internally Developed Software Platform [Member]
Represents in-process internally developed software platform.
Loss on debt waiver consent
Warrant Issuance Expense
Loss on debt waiver consent
Amount of expense related to issuance of class of warrant or right.
crex_DebtInstrumentUnamortizedDiscountIncrease
Debt Instrument, Unamortized Discount, Increase
Amount of increase in unamortized debt discount.
crex_ClassOfWarrantOrRightExtensionTerm
Class of Warrant or Right, Extension Term (Year)
Extension term on class of warrant or right.
Debt Disclosure [Text Block]
us-gaap_InterestExpense
Interest expense, including amortization of debt discount
us-gaap_InterestExpenseDebt
Interest Expense, Debt
Changes to operating assets and liabilities:
Capitalized software in accounts payable
Amount of capitalized software in accounts payable.
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Long-term obligations under operating leases
Schedule of Inventory, Current [Table Text Block]
Current maturities of operating leases
Purchaser Warrant [Member]
Represents purchaser warrant.
Warrants With Securities Purchase Agreement [Member]
Represents warrants with Securities Purchase Agreement.
Operating lease right-of-use assets
Pre-funded Warrants [Member]
Represents pre-funded warrants.
us-gaap_FinanceLeasePrincipalPayments
Principal payments on finance leases
Common Stock Warrants [Member]
Represents common stock warrants.
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1
Share-Based Payment Arrangement, Expensed and Capitalized, Amount
Deferred income taxes
crex_ClassOfWarrantOrRightWaiverFee
Class of Warrant or Right, Waiver Fee
Represents the waiver fee amount of class of warrant or right.
crex_ClassOfWarrantOrRightStatedPricePerShare
Class of Warrant or Right, Stated Price Per Share (in dollars per share)
Represents stated price per share used to decide number of shares of common stock subject to warrant under class of warrant or right.
Securities Purchase Agreement [Member]
Represents Securities Purchase Agreement.
Warrants expired, warrants (in shares)
Number of warrants or right expired during the period.
Warrants expired, warrants, weighted average exercise price (in dollars per share)
Exercise price per share or per unit of warrants or rights expired during the period.
Balance, warrants, weighted average remaining contractual life (Year)
Weighted average remaining contractual term for warrants or rights outstanding.
crex_SaleOfCommonStockAndWarrantsPricePerShare
Sale of Common Stock and Warrants, Price Per Share (in dollars per share)
Represents sale price of common stock and warrants.
Common stock issued to Retention Bonus Plan
us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued
Common Stock and Pre-funded Warrants [Member]
Represents common stock and pre-funded warrants.
Common Stock and Warrants [Member]
Represents common stock and warrants.
Stock Incentive Plan 2014 [Member]
Represents 2014 stock incentive plan.
Warrants (in shares)
crex_WorkingCapital
Working Capital
The amount of working capital.
Share-Based Payment Arrangement, Employee [Member]
Change on change in fair value of warrants
Fair Value Adjustment of Warrants
Change in fair value of warrant liability
Amortization of stock-based compensation
Other assets
Share-Based Payment Arrangement, Nonemployee [Member]
Reverse Stock Split [Member]
The conversion of a reverse stock split where there is a reduction in the shares outstanding.
Business Combinations Policy [Policy Text Block]
Performance Vesting Awards [Member]
Represents performance vesting awards.
Earnings Per Share, Policy [Policy Text Block]
Amended and Restated 2006 Equity Incentive Plan [Member]
Represents Amended and Restated 2006 Equity Incentive Plan.
Cash consideration for Retention Bonus Plan
us-gaap_DeferredCompensationArrangementWithIndividualDistributionPaid
Amended and Restated 2006 Non-employee Director Stock Option Plan [Member]
Represents Amended and Restated 2006 Non-employee Director Stock Option Plan.
Two Customers [Member]
Represents two customers.
crex_NumberOfMajorVendors
Number of Major Vendors
Represents number of major vendors.
Operating expenses:
Amortization of debt discount
Income Tax, Policy [Policy Text Block]
Acquisition Loan With Slipstream [Member]
Represents acquisition loan with Slipstream.
crex_NumberOfMajorCustomers
Number of Major Customers
Represents the numbers of major customers.
Time Vesting Options [Member]
Represents time vesting options.
Range One [Member]
Represents range one.
Range Two [Member]
Represents range two.
us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Deferred Bonus and Profit Sharing Arrangements, Individual Contracts, Type of Deferred Compensation [Axis]
Deferred Bonus and Profit Sharing Arrangement, Individual Contract, Type of Deferred Compensation [Domain]
us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Stockholders' Equity Note, Stock Split, Conversion Ratio
Performance Vesting Options [Member]
Represents performance vesting options.
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_AssetsCurrent
Total current assets
Equity [Text Block]
Loss on change in fair value of contingent consideration
Change in fair value of equity guarantee
Common stock, $0.01 par value, 66,666 shares authorized; 7,409 and 7,266 shares issued and outstanding, respectively
Adjustments to reconcile net (loss) income to net cash provided by operating activities
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized (in shares)
Common stock, shares issued (in shares)
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share (in dollars per share)
Revenue from Contract with Customer [Policy Text Block]
Statistical Measurement [Domain]
Operating leases
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Product and Service [Domain]
Statistical Measurement [Axis]
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Litigation Case [Axis]
Litigation Case [Domain]
Interest
Cash Flow, Supplemental Disclosures [Text Block]
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Goodwill and Intangible Assets, Policy [Policy Text Block]
Work-in-process and inventories, net
Total inventories
Work-in-process
us-gaap_ProceedsFromLoans
Proceeds from Loans
Total sales
Customer [Axis]
Customer [Domain]
us-gaap_IncreaseDecreaseInDeferredRevenue
Deferred revenues
Accounts receivable, net
Operating Activities:
Statement [Line Items]
Additional paid-in capital
Sales
SHAREHOLDERS’ EQUITY
Other income (expense)
us-gaap_NonoperatingIncomeExpense
Total other income (expense)
Chief Financial Officer [Member]
Chief Executive Officer [Member]
CURRENT ASSETS
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and Cash Equivalents, beginning of period
Cash and Cash Equivalents, end of period
Inventory, Policy [Policy Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Increase (decrease) in Cash and Cash Equivalents
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash (used in) provided by financing activities
us-gaap_Liabilities
TOTAL LIABILITIES
Sale of Stock [Axis]
Director [Member]
Sale of Stock [Domain]
us-gaap_OperatingIncomeLoss
Operating Income (Loss)
Operating income/(loss)
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net Cash Provided by (Used in) Operating Activities
Net cash provided by (used in) operating activities
Other income (expenses):
us-gaap_DeferredTaxLiabilities
Deferred Tax Liabilities, Net
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
Prepaid expenses and other current assets
us-gaap_GrossProfit
Gross profit
Total cost of sales
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
us-gaap_InventoryWriteDown
Inventory Write-down
Cost of sales
us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Proceeds from Issuance or Sale of Equity, Total
Proceeds from sale of common stock in PIPE, net of offering expenses
Retained Earnings [Member]
Title of Individual [Domain]
Title of Individual [Axis]
Alleged Breach of Contract Related to Hardware Failures of Equipment Installations Performed by Allure [Member]
Represents an alleged breach of contract related to hardware failures of equipment installations performed by Allure.
Gain/(loss) on settlement of obligations
Represents amount of gain or loss on settlement of debt.
Seller Note [Member]
Represents seller note.
Additional Paid-in Capital [Member]
Common Stock [Member]
Equity Components [Axis]
Equity Component [Domain]
us-gaap_LongTermDebt
Total debt, net
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
Balance, warrants, weighted average exercise price (in dollars per share)
Balance, warrants, weighted average exercise price (in dollars per share)
Class of Warrant or Right [Axis]
Class of Warrant or Right [Domain]
us-gaap_ClassOfWarrantOrRightOutstanding
Class of Warrant or Right, Outstanding (in shares)
Balance, warrants (in shares)
Balance, warrants (in shares)
crex_DebtInstrumentInterestRateCashInterest
Debt Instrument, Interest Rate, Cash Interest
Percentage of cash interest for funds borrowed, under the debt agreement.
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Net (loss) income before income taxes
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
Secured Convertible Loan [Member]
Represents secured convertible loan.
crex_ProceedsFromLoansNet
Proceeds from Loans, Net
Net amount of cash received from principal payments made on loans related to operating activities.
Consolidation Term Loan [Member]
Represents consolidation term loan.
us-gaap_DeferredFinanceCostsNet
Debt discount
crex_PercentageOfWarrantCoveredByDebt
Percentage of Warrant Covered by Debt
Represents amount of warrants covered by debt.
crex_NumberOfWarrantsCoveredByDebt
Number of Warrants Covered by Debt (in shares)
Represents number of warrants that are covered by debt.
Disaggregation of Revenue [Table Text Block]
Lender Warrant [Member]
Represents lender warrant.
Revenue from Contract with Customer [Text Block]
Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]
Loans payable, discount, current
Loans payable, discount, noncurrent
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount, Total
Document Quarterly Report
Entity Incorporation, State or Country Code
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits, Ending Balance
General and Administrative Expense [Member]
Total debt, gross
us-gaap_DebtInstrumentCarryingAmount
Accounting Policies [Abstract]
Significant Accounting Policies [Text Block]
Document Transition Report
Basis of Accounting, Policy [Policy Text Block]
Concentration Risk Disclosure [Text Block]
Entity Interactive Data Current
Related Party [Member]
Security Exchange Name
Title of 12(b) Security
us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Write-offs charged against the allowance
Proceeds from Acquisition Loan, net of offering expenses
Income Statement Location [Axis]
Income Statement Location [Domain]
Nonmonetary Transaction Type [Domain]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Nonmonetary Transaction Type [Axis]
us-gaap_RepaymentsOfNotesPayable
Repayment of notes payable
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)
Weighted average shares outstanding - diluted (in shares)
Statement [Table]
Statement of Financial Position [Abstract]
Diluted (loss) earnings per common share (in dollars per share)
Weighted average shares outstanding - basic (in shares)
Accounts Payable [Member]
Business Acquisition [Axis]
Basic (loss) earnings per common share (in dollars per share)
Business Acquisition, Acquiree [Domain]
Statement of Cash Flows [Abstract]
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
us-gaap_RepaymentsOfDebt
Repayments of Debt
us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)
Accounting Standards Update and Change in Accounting Principle [Text Block]
Contingent acquisition consideration, at fair value
Financing activities
Other liabilities
Net consideration transferred
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
us-gaap_StockholdersEquity
Total shareholders’ equity
Balance
Balance
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
Other liabilities
us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Acquisition of business, net of cash acquired
Class of Stock [Axis]
Supplier [Axis]
Class of Stock [Domain]
Supplier [Domain]
Cash acquired
us-gaap_CashAcquiredFromAcquisition
Long term debt
us-gaap_LongTermDebtNoncurrent
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue
Deferred revenues
Cash consideration for Reflect stock
us-gaap_PaymentsToAcquireBusinessesGross
Payments to Acquire Businesses, Gross
Long-term debt
Outstanding, Weighted Average Exercise Price (in dollars per share)
Outstanding, Weighted Average Remaining Contractual Term (Year)
Long-term Secured Promissory Note
Shares Exercisable (in shares)
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
Accounts payable
Exercisable, Weighted Average Exercise Price (in dollars per share)
Upper Range Limit (in dollars per share)
Shares Outstanding (in shares)
Exercise Price Range [Axis]
Exercise Price Range [Domain]
Property and equipment
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total
Other assets
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
Lower Range Limit (in dollars per share)