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Consolidated Statement of Stockholders' Deficit - USD ($) | Preferred Stock | Common Stock | Additional Paid-In Capital | Accumulated Deficit
--- | --- | --- | --- | ---
Beginning Balance, Shares at Dec. 31, 2013 | 1,787,897 | 2,291,936 |  |
Beginning Balance, Amount at Dec. 31, 2013 | $ 3,000 | $ 2,000 | $ 83,281,000 | $ (89,467,000)
Issuance of stock options |  |  | 162,000 |
Issuance of common stock for accrued expenses, shares |  | 74,652 |  |
Issuance of common stock for accrued expenses, amount |  |  | 103,000 |
Net loss |  |  |  | (23,489,000)
Ending Balance, Shares at Dec. 31, 2014 | 1,787,897 | 2,366,588 |  |
Ending Balance, Amount at Dec. 31, 2014 | $ 3,000 | $ 2,000 | 83,546,000 | (112,956,000)
Issuance of stock options |  |  | 220,000 |
Issuance of common stock for accrued expenses, shares |  | 33,412 |  |
Issuance of common stock for accrued expenses, amount |  |  | 246,000 |
Net loss |  |  |  | (32,726,000)
Ending Balance, Shares at Dec. 31, 2015 | 1,787,897 | 2,400,000 |  |
Ending Balance, Amount at Dec. 31, 2015 | $ 3,000 | $ 2,000 | $ 84,012,000 | $ (145,682,000)

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