The percent of beneficial ownership limitation for the warrants or rights.

No definition available.

Name:	crex_ClassOfWarrantOrRightBeneficialOwnershipLimitation
Namespace Prefix:	crex_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of class or warrant or rights exercised during the period.

+ References

No definition available.

+ Details

Name:	crex_ClassOfWarrantOrRightExercised
Namespace Prefix:	crex_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of warrants or rights that were repurchased and cancelled.

+ References

No definition available.

+ Details

Name:	crex_ClassOfWarrantOrRightRepurchasedAndCancelled
Namespace Prefix:	crex_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average remaining contractual term for warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	crex_ClassOfWarrantOrRightWeightedAverageRemainingContractualTerm
Namespace Prefix:	crex_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount of proceeds from issuance of equity net of issuance costs.

+ References

No definition available.

+ Details

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

- Definition

The amount of issuance costs related to the warrants issued.

+ References

No definition available.

+ Details

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

- Definition

Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480070/505-10-S50-1

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 25
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481284/470-20-25-2

+ Details

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

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 1
-Subparagraph (SX 210.4-08(h)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of reason for issuing warrant or right.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightReasonForIssuingToNonemployees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480100/505-10-S45-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
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-Section S99
-Paragraph 1
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

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

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=crex_TheWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_CounterpartyNameAxis=crex_SlipstreamCommunicationsLlcMember
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- Details

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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=crex_PrefundedWarrantsMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

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Note 13 - Warrants (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			6 Months Ended		12 Months Ended
	Jun. 30, 2026	Feb. 16, 2026	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01	$ 0.01	$ 0.01		$ 0.01
Payments for Repurchase of Warrants			$ 200	$ (0)
Adjustments to Additional Paid in Capital, Warrant Issued				$ 1,040
The Warrants [Member]
Class of Warrant or Right, Outstanding (in shares)	3,614,299		3,614,299		5,364,802
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year)			2 years 3 months		2 years 6 months 18 days
Class of Warrant or Right, Repurchased and Cancelled (in shares)			1,731,499
Class of Warrant or Right, Exercised (in shares)			19,004
The Warrants [Member] \| Slipstream Communications, LLC [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)		$ 6
Payments for Repurchase of Warrants		$ 200
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)		1,731,499
The Warrants [Member] \| Weighted Average [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 4.02		$ 4.02		$ 4.66
Pre-funded Warrants [Member]
Class of Warrant or Right, Outstanding (in shares)	900,000		900,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.01		$ 0.01
Class of Warrant or Right, Exercised (in shares)	0
Warrant or Right, Reason for Issuance, Description	900,000
Adjustments to Additional Paid in Capital, Warrant Issued	$ 2,811
Proceeds from Issuance of Warrants	3,141
Warrant Issuance Costs	330
Proceeds from Issuance of Equity, Net	$ 10,784
Pre-funded Warrants [Member] \| Minimum [Member]
Class of Warrant or Right, Beneficial Ownership Limitation	4.99%		4.99%
Pre-funded Warrants [Member] \| Maximum [Member]
Class of Warrant or Right, Beneficial Ownership Limitation	9.99%		9.99%