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Note 8 - Stock Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Nonvested Restricted Stock Shares Activity [Table Text Block] |
Total authorized RSUs in Plan approved by shareholders |  |  | 4,850,000 |
Stock issued out of the Plan from vested grants |  |  | (3,540,178 | )
Non-vested grants |  |  | (858,363 | )
RSUs available for future issuance |  |  | 451,459 |
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] |
Non-vested grants at December 31, 2021 |  |  | 183,000 |
Granted – weighted average share price on grant date was $6.74 |  |  | 881,437 |
Vested |  |  | — |
Forfeited |  |  | (7,500 | )
Non-vested grants at December 31, 2022 |  |  | 1,056,937 |
Granted – weighted average share price on grant date was $9.30 |  |  | 312,147 |
Vested |  |  | (472,721 | )
Forfeited |  |  | (38,000 | )
Non-vested grants at December 31, 2023 |  |  | 858,363 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
Vesting Year |  | RSUs Vesting |  |
2024 |  |  | 319,419 |  |
2025 |  |  | 538,944 |  |

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