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Note 5 - Shareholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Share-based Payment Arrangement, Activity [Table Text Block] |
|  | Shares under Option |  |  | Weighted Average Exercise Price |
Balance at December 31, 2020 |  |  | 195,160 |  |  | $ | 1.00 |
Granted |  |  | - |  |  |  | 1.00 |
Cancelled/Expired |  |  | - |  |  |  | 1.00 |
Exercised/Issued |  |  | (195,160 | ) |  |  | 1.00 |
Outstanding at September 30, 2021 |  |  | - |  |  |  | 1.00 |
Exercisable at September 30, 2021 |  |  | - |  |  | $ | 1.00 |

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