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Note 10 - Stock Compensation Plans (Tables) | 9 Months Ended
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Sep. 30, 2020
Notes Tables |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
Non-vested grants at December 31, 2019 |  |  | 488,500 |
Granted – average weighted share price on grant date was $0.90 |  |  | 40,000 |
Vested – average weighted share price on vesting date was $0.68 |  |  | (72,000 | )
Forfeited |  |  | (9,500 | )
Non-vested grants at September 30, 2020 |  |  | 447,000 |
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
Vesting Year |  | RSUs Vesting |
2020 |  |  | 106,250 |
2021 |  |  | 306,750 |
2022 |  |  | 24,000 |
2023 |  |  | 10,000 |
|  |  | 447,000 |

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