Note 7 - Federal Income Taxes - Schedule of Capital Loss Carryforwards (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| Capital loss carryforwards | $ 13,889,528 |
| Capital Loss Carryforward [Member] | |
| Capital loss carryforwards | $ 48,624,147 |
| Carryforward, Expiration Date 1 [Member] | |
| Expiration date | Dec. 31, 2027 |
| Carryforward, Expiration Date 1 [Member] | Capital Loss Carryforward [Member] | |
| Capital loss carryforwards | $ 3,129,665 |
| Carryforward, Expiration Date 2 [Member] | |
| Expiration date | Dec. 31, 2028 |
| Carryforward, Expiration Date 2 [Member] | Capital Loss Carryforward [Member] | |
| Capital loss carryforwards | $ 7,864,982 |
| Carryforward, Expiration Date 3 [Member] | |
| Expiration date | Dec. 31, 2029 |
| Carryforward, Expiration Date 3 [Member] | Capital Loss Carryforward [Member] | |
| Capital loss carryforwards | $ 11,686,668 |
| Carryforward, Expiration Date 4 [Member] | |
| Expiration date | Dec. 31, 2030 |
| Carryforward, Expiration Date 4 [Member] | Capital Loss Carryforward [Member] | |
| Capital loss carryforwards | $ 25,942,832 |