Note 2 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Feb. 20, 2026 |
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
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| Long-Lived Asset, Held and Used, Impairment Loss | $ 0 | $ 0 | $ 0 | $ 589 | |
| Tangible Asset Impairment Charges | $ 30 | ||||
| Operating Lease, Impairment Loss | $ 559 | ||||
| Reverse Stock Split [Member] | |||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 5 | 5 | |||
| SKY Tokens [Member] | |||||
| Crypto Asset, Percent of Total Supply | 10.00% | 10.00% | |||
| SKY Tokens [Member] | Product Concentration Risk [Member] | Assets, Total [Member] | |||||
| Concentration Risk, Percentage | 94.00% | ||||
| X | ||||||||||
- Definition Percentage of total supply of crypto asset. No definition available.
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| X | ||||||||||
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss for long-lived asset held and used. Includes, but is not limited to, impairment loss for long-lived asset to be disposed of other than by sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of loss from impairment of right-of-use asset from operating lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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