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Note 12 - Interest and Finance Costs (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Interest and Finance Costs [Table Text Block] |
Interest and Finance Costs |  | Year Ended December 31, |
|  | 2018 |  |  | 2019 |  |  | 2020 |
Interest on debt (including $874, $928 and $0, respectively, to related party) |  |  | 7,373 |  |  |  | 16,586 |  |  |  | 16,033 |
Bank charges and loan commitment fees (including $179, $20 and $0, respectively, to related party) |  |  | 262 |  |  |  | 282 |  |  |  | 233 |
Amortization and write-off of financing fees |  |  | 1,305 |  |  |  | 1,812 |  |  |  | 6,311 |
Amortization of debt discount |  |  | 2,504 |  |  |  | 324 |  |  |  | - |
Total |  |  | 11,444 |  |  |  | 19,004 |  |  |  | 22,577 |
Less interest capitalized |  |  | (1,782 | ) |  |  | (927 | ) |  |  | (1,621 | )
Total |  |  | 9,662 |  |  |  | 18,077 |  |  |  | 20,956 |

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