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Note 5 - Advances for Vessels Under Construction and Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2015
Advances For Vessels Under Construction And Acquisitions [Abstract] |
Advances for Vessels Under Construction and Acquisitions [Table Text Block] |
Balance, December 31, 2013 |  |  | 70,577,435 |
Advances for vessels under construction and acquisitions |  |  | 124,973,343 |
Capitalized interest |  |  | 2,113,297 |
Capitalized expenses |  |  | 2,805,342 |
Vessels delivered |  |  | (101,459,533 | )
Vessels cancelled (Note 3) |  |  | (10,044,799 | )
Balance, December 31, 2014 |  |  | 88,965,085 |
Advances for vessels under construction and acquisitions |  |  | 148,318,231 |
Capitalized interest |  |  | 1,822,443 |
Capitalized expenses |  |  | 5,085,534 |
Vessels delivered |  |  | (200,159,411 | )
Balance, December 31, 2015 |  |  | 44,031,882 |

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