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Note 9 - Stock Compensation Plans (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] |
Non-vested grants at December 31, 2021 |  |  | 183,000 |
Awarded - price $2.42 |  |  | 10,000 |
Vested |  |  | — |
Forfeited |  |  | (4,500 | )
Non-vested grants at March 31, 2022 |  |  | 188,500 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
Vesting Year |  | RSUs Vesting |
2023 |  |  | 188,500 |

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