Note 3 - Investments (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
|
| Debt Securities, Available-for-Sale, Unrealized Gain (Loss) | $ 0 | $ 0 |
| Investments | 985,730 | 0 |
| US Treasury Bill Securities [Member] | ||
| Investments | $ 986,000 | $ 0 |
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|