Note 1 - Summary of Significant Accounting Policies - Unrealized Gains (Losses) on Marketable Securities (Details) |
Dec. 31, 2025
USD ($)
|
|---|---|
| Amortized Cost | $ 21,277,609 |
| Gross Unrealized Gains | 98,006 |
| Gross Unrealized Losses | 0 |
| Fair Value | 21,375,615 |
| US Treasury Bill Securities [Member] | |
| Amortized Cost | 21,277,609 |
| Gross Unrealized Gains | 98,006 |
| Gross Unrealized Losses | 0 |
| Fair Value | $ 21,375,615 |
| X | ||||||||||
- Definition Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
|
| X | ||||||||||
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
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