Note 1 - Description of Business (Details Textual) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Number of Reportable Segments | 1 | ||||
| Net Income (Loss) Attributable to Parent | $ (6,354,510) | $ (5,448,312) | $ (12,841,269) | $ (9,359,959) | |
| Retained Earnings (Accumulated Deficit) | (229,663,740) | (229,663,740) | $ (216,822,471) | ||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | (13,157,759) | $ (12,770,363) | |||
| Cash | 2,200,000 | 2,200,000 | 1,000,000 | ||
| Short-Term Investments | $ 37,471,239 | $ 37,471,239 | $ 33,736,091 | ||
| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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