Note 9 - Debt - Floating Margin (Details)	6 Months Ended
Jun. 30, 2026
Senior debt to adjusted EBITDA ratio, I	0.025
Margin applicable to revolving credit advances, I	2.75%
Margin applicable to the term loan, I	3.00%
Margin applicable to revolving credit advances, II	3.25%
Margin applicable to the term loan, II	3.50%

Represents the margin percentage applicable to revolving credit advances that are pricing grid level one.

No definition available.

Name:	crex_MarginApplicableToRevolvingCreditAdvancesPricingGridLevelOne
Namespace Prefix:	crex_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the margin applicable to revolving credit advances under pricing grid level two.

No definition available.

Name:	crex_MarginApplicableToRevolvingCreditAdvancesPricingGridLevelTwo
Namespace Prefix:	crex_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the margin applicable to term loan under pricing grid level one.

No definition available.

Name:	crex_MarginApplicableToTermLoanPricingGridLevelOne
Namespace Prefix:	crex_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the margin applicable to the term loan included under pricing grid level two.

No definition available.

Name:	crex_MarginApplicableToTermLoanPricingGridLevelTwo
Namespace Prefix:	crex_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Represents the senior debt to adjusted EBITDA ratio related to pricing grid level one.

No definition available.

Name:	crex_SeniorDebtToAdjustedEbitdaRatioPricingGridLevelOne
Namespace Prefix:	crex_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration