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Note 18 - Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Share-based Payment Arrangement, Activity [Table Text Block] |
|  | Options |  |  | Weighted Average Exercise Price |  |  | Warrants |  |  | Weighted Average Exercise Price |
Balance at January 1, 2019 |  |  | 471,144 |  |  | $ | 3.95 |  |  |  | - |  |  |  | - |
Granted |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Cancelled/Expired |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Exercised/Issued |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Balance at December 31, 2019 |  |  | 471,144 |  |  | $ | 3.95 |  |  |  | - |  |  |  | - |
Granted |  |  | - |  |  |  | - |  |  |  | 792,660 |  |  |  | 1.00 |
Cancelled/Expired |  |  | (471,144 | ) |  |  | 3.95 |  |  |  | - |  |  |  |  |
Exercised/Issued |  |  |  |  |  |  |  |  |  |  | (597,500 | ) |  |  | 1.00 |
Balance at December 31, 2020 |  |  | - |  |  |  | - |  |  |  | 195,160 |  |  | $ | 1.00 |
Exercisable at December 31, 2020 |  |  |  |  |  |  |  | 195,160 |  |  | $ | 1.00 |
Shares Reserved for Future Issuance [Table Text Block] |
Warrants |  |  | 195,160 |
Series A Preferred Stock |  |  | 5,482,000 |
Series B Preferred Stock |  |  | 1,700,000 |
|  |  | 7,377,160 |

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