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Note 6 - Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2019
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  |  |  |  |  | Accumulated |
|  | Foreign |  |  | Other |
|  | Currency |  |  | Comprehensive |
|  | Items |  |  | Loss |
Beginning balance |  | $ | (6,050,347 | ) |  | $ | (6,050,347 | )
Current period change |  |  | 701,535 |  |  |  | 701,535 |
Ending balance |  | $ | (5,348,812 | ) |  | $ | (5,348,812 | )
|  |  |  |  |  | Accumulated |
|  | Foreign |  |  | Other |
|  | Currency |  |  | Comprehensive |
|  | Items |  |  | Loss |
Beginning balance |  | $ | (5,365,364 | ) |  | $ | (5,365,364 | )
Current period change |  |  | (684,983 |  |  |  | (684,983 |
Ending balance |  | $ | (6,050,347 | ) |  | $ | (6,050,347 | )

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