Note 3 - Digital Assets (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization | $ 1,423,000 | $ 2,047,000 |
| Gross Profit | 1,014,000 | 331,000 |
| Crypto Asset, Unrealized Gain (Loss), Nonoperating | (3,519,000) | 0 |
| Crypto Asset, Fair Value | 5,395,000 | |
| Digital Assets [Member] | ||
| Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization | 24,000 | |
| Gross Profit | $ 162,000 | |
| Gross Profit, Percentage | 87.00% | |
| Bittensor (TAO) [Member] | ||
| Percentage of Treasury Invested in Crypto Assets | 70.00% | |
| Crypto Asset, Unrealized Gain (Loss), Nonoperating | $ (3,519,000) | |
| Crypto Asset, Fair Value | $ 5,395,000 | $ 0 |
| X | ||||||||||
- Definition Amount of gross profit as percentage. No definition available.
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| X | ||||||||||
- Definition Percentage of treasury invested in crypto assets. No definition available.
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| X | ||||||||||
- Definition Cost of product sold and service rendered, excluding depreciation, depletion, and amortization. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Fair value of crypto asset. Excludes crypto asset held for platform user. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of unrealized gain (loss) from remeasurement of crypto asset, classified as nonoperating. Excludes crypto asset held for platform user. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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