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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive loss | Accumulated deficit | Excel Transactions (Note 9) | Excel Transactions (Note 9) Common Stock | Excel Transactions (Note 9) Additional Paid-in Capital
--- | --- | --- | --- | --- | --- | --- | --- | ---
BALANCE, value at Dec. 31, 2014 | $ 1,154,302 | $ 218 | $ 1,568,589 | $ (378) | $ (414,127) |  |  |
BALANCE, shares at Dec. 31, 2014 |  | 21,885,219 |  |  |  |  |  |
Net income / (loss) | (458,177) |  |  |  | (458,177) |  |  |
Other comprehensive income / (loss) | (838) |  |  | (838) |  |  |  |
Amortization of stock-based compensation (Note 12) | 2,684 |  | 2,684 |  |  |  |  |
Issuance of common stock (Note 9), value | 417,797 | $ 211 | 417,586 |  |  |  |  |
Issuance of common stock (Note 9), shares |  | 21,050,084 |  |  |  |  |  |
Issuance of common stock (Note 9), value |  |  |  |  |  | $ 19,308 | $ 9 | $ 19,299
Issuance of common stock (Note 9), shares |  |  |  |  |  |  | 851,577 |
Issuance of shares for commission to Oceanbulk Maritime (Note 3), value | 282 |  | 282 |  |  |  |  |
Issuance of shares for commission to Oceanbulk Maritime (Note 3), shares |  | 34,234 |  |  |  |  |  |
BALANCE, value at Dec. 31, 2015 | 1,135,358 | $ 438 | 2,008,440 | (1,216) | (872,304) |  |  |
BALANCE, shares at Dec. 31, 2015 |  | 43,821,114 |  |  |  |  |  |
Net income / (loss) | (154,228) |  |  |  | (154,228) |  |  |
Other comprehensive income / (loss) | 922 |  |  | 922 |  |  |  |
Issuance of common stock (Note 9), value | 50,278 | $ 120 | 50,158 |  |  |  |  |
Issuance of common stock (Note 9), shares |  | 11,976,745 |  |  |  |  |  |
Issuance of vested and non-vested shares and amortization of stock-based compensation (Note 12), value | 4,166 | $ 7 | 4,159 |  |  |  |  |
Issuance of vested and non-vested shares and amortization of stock-based compensation (Note 12), shares |  | 692,595 |  |  |  |  |  |
Issuance of shares for commission to Oceanbulk Maritime (Note 3), value | 734 | $ 1 | 733 |  |  |  |  |
Issuance of shares for commission to Oceanbulk Maritime (Note 3), shares |  | 138,453 |  |  |  |  |  |
BALANCE, value at Dec. 31, 2016 | 1,037,230 | $ 566 | 2,063,490 | (294) | (1,026,532) |  |  |
BALANCE, shares at Dec. 31, 2016 |  | 56,628,907 |  |  |  |  |  |
Net income / (loss) | (9,771) |  |  |  | (9,771) |  |  |
Other comprehensive income / (loss) | 899 |  |  | 899 |  |  |  |
Issuance of common stock (Note 9), value | 50,427 | $ 63 | 50,364 |  |  |  |  |
Issuance of common stock (Note 9), shares |  | 6,310,272 |  |  |  |  |  |
Issuance of vested and non-vested shares and amortization of stock-based compensation (Note 12), value | 9,267 | $ 13 | 9,254 |  |  |  |  |
Issuance of vested and non-vested shares and amortization of stock-based compensation (Note 12), shares |  | 1,220,825 |  |  |  |  |  |
BALANCE, value at Dec. 31, 2017 | $ 1,088,052 | $ 642 | $ 2,123,108 | $ 605 | $ (1,036,303) |  |  |
BALANCE, shares at Dec. 31, 2017 |  | 64,160,004 |  |  |  |  |  |

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