Note 2 - Liquidity (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation | $ 735,000 | $ 10,795,000 | $ 735,000 | $ 10,795,000 | $ 2,258,000 | ||
| Crypto Asset, Fair Value | 4,709,000 | 4,709,000 | |||||
| Working Capital | 4,432,000 | 4,432,000 | |||||
| Net Income (Loss) Attributable to Parent | $ (3,290,000) | $ 1,697,000 | $ (605,000) | $ (672,000) | (1,593,000) | (1,277,000) | |
| Cash Provided by (Used in) Investing Activity, Including Discontinued Operation | (334,000) | (1,650,000) | |||||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | $ (1,189,000) | $ (717,000) | |||||
| X | ||||||||||
- Definition Positive working capital means that the company is able to pay off its short-term liabilities. Negative working capital means that a company currently is unable to meet its short-term liabilities with its current assets (cash, accounts receivable and inventory). No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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