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Note 10 - Warrants - Summary of Outstanding Warrants (Details) - Warrants Classified as Liability [Member] - $ / shares | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Balance, warrants (in shares) | 4,587,002 | 5,824,027 |
Balance, warrants, weighted average exercise price (in dollars per share) | $ 4.9 | $ 6.56 |
Balance, warrants, weighted average remaining contractual life (Year) | 3 years 1 month 9 days | 4 years 1 month 9 days | 4 years 2 months 15 days
Warrants expired (in shares) | 0 | (1,237,025) |
Warrants expired, warrants, weighted average exercise price (in dollars per share) | $ 0 | $ 12.7 |
Balance, warrants (in shares) | 4,587,002 | 4,587,002 | 5,824,027
Balance, warrants, weighted average exercise price (in dollars per share) | $ 4.9 | $ 4.9 | $ 6.56

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- Definition Exercise price per share or per unit of warrants or rights expired during the period. + References No definition available. + Details
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Namespace Prefix: | crex_
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Balance Type: | na
Period Type: | duration

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- Definition Number of warrants or right expired during the period. + References No definition available. + Details
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Balance Type: | na
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- Definition Weighted average remaining contractual term for warrants or rights outstanding. + References No definition available. + Details
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Namespace Prefix: | crex_
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- 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 + Details
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X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
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- Details
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Balance Type: |
Period Type: |