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v3.22.2.2

Significant Customers/Vendors (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Significant Customers/Vendors (Details) [Line Items] |  |  |  |  |
Number of customers |  |  | (2) |  |
Accounts Receivable [Member] |  |  |  |  |
Significant Customers/Vendors (Details) [Line Items] |  |  |  |  |
Number of customers |  |  | (1) |  | (2)
Accounts receivable percentage |  |  | 25.70% |  | 41.10%
Revenue[Member] |  |  |  |  |
Significant Customers/Vendors (Details) [Line Items] |  |  |  |  |
Number of customers | (2) | (3) | (3) | (2) | (3)
Revenue percentage | 37.50% | 44.00% | 54.30% | 37.40% |
Outstanding accounts payable percentage |  |  | 48.30% |  | 69.10%

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- Definition The percentage of receivables method is used to derive the bad debt percentage that a business expects to experience. The technique is used to populate the allowance for doubtful accounts, which is a contra account that offsets the accounts receivable asset. + References No definition available. + Details
Name: | crex_AccountsReceivablePercentage
Namespace Prefix: | crex_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of customers. + References No definition available. + Details
Name: | crex_NumberOfCustomers
Namespace Prefix: | crex_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Accounts payable (AP) is the amount owed for the purchase of goods or services at a specific date. Accounts payable is recorded at the time an invoice is approved for payment and recorded in the General Ledger (or AP sub-ledger) as an outstanding, or open, liability because it has not been paid. + References No definition available. + Details
Name: | crex_OutstandingAccountsPayablePercentage
Namespace Prefix: | crex_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Revenue percentage. + References No definition available. + Details
Name: | crex_RevenuePercentage
Namespace Prefix: | crex_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | crex_SignificantCustomersVendorsDetailsLineItems
Namespace Prefix: | crex_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_AccountsReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=crex_RevenueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |