Reduced amount of cash consideration in business combination.

No definition available.

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Namespace Prefix:	crex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum amount of payments received of certain accounts receivable to decide claim reduction amount under business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	crex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of release amount from escrow funds.

+ References

No definition available.

+ Details

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Namespace Prefix:	crex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of retention credit outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	crex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face amount or stated value per share of common stock.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-Publisher FASB
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
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Balance Type:	na
Period Type:	duration

- Details

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Note 17 - Subsequent Events (Details Textual) $ / shares in Units, $ in Thousands	Mar. 27, 2023 $ / shares shares	Feb. 11, 2023 USD ($)	Feb. 17, 2022 USD ($)	Mar. 26, 2023 shares	Dec. 31, 2022 $ / shares shares	Dec. 31, 2021 $ / shares shares
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares					$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares) \| shares					66,666,000	66,666,000
Secured Promissory Note [Member]
Debt Instrument, Periodic Payment, Total			$ 104
Debt Instrument, Interest Rate, Stated Percentage			0.59%
Subsequent Event [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	3
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.01
Common Stock, Shares Authorized (in shares) \| shares	66,666,666			200,000,000
Subsequent Event [Member] \| Secured Promissory Note [Member]
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid		$ 1,250
Debt Instrument, Periodic Payment, Total		$ 104
Debt Instrument, Interest Rate, Stated Percentage		4.60%
Reflect Systems, Inc. [Member] \| Subsequent Event [Member]
Business Combination, Consideration Transferred, Cash Consideration Reduced Amount		$ 242
Business Combination, Consideration Transferred, Claim Amount Reduction, Maximum Accounts Receivable Received		27
Retention Credit Outstanding		242
Escrow Funds, Release Amount		$ 250