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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Total
--- | --- | --- | --- | ---
Balance at beginning at Dec. 31, 2014 | $ 24,564 | $ 44,648,103 | $ (35,174,540) | $ 9,498,127
Balance at beginning (in shares) at Dec. 31, 2014 | 1,637,604 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of common shares and warrants (net of issuance costs of $356,214 & $1,011,574 for the December 31, 2016 & December 31, 2015 respectively) | $ 8,093 | 9,101,181 |  | 9,109,274
Issuance of common shares and warrants (net of issuance costs of $356,214 & $1,011,574 for the December 31, 2016 & December 31, 2015 respectively) (in shares) | 539,547 |  |  |
Compensation cost for stock options granted to executives and employees |  | 894,656 |  | 894,656
Net loss |  |  | (15,760,323) | (15,760,323)
Balance at end at Dec. 31, 2015 | $ 32,657 | 54,643,940 | (50,934,863) | 3,741,734
Balance at end (in shares) at Dec. 31, 2015 | 2,177,151 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of common shares and warrants (net of issuance costs of $356,214 & $1,011,574 for the December 31, 2016 & December 31, 2015 respectively) | $ 23,417 | 4,672,452 |  | 4,695,869
Issuance of common shares and warrants (net of issuance costs of $356,214 & $1,011,574 for the December 31, 2016 & December 31, 2015 respectively) (in shares) | 1,561,080 |  |  |
Issuance of common shares as commitment fees | $ 746 | 197,777 |  | 198,523
Issuance of common shares as commitment fees (in shares) | 49,736 |  |  |
Amortization of commitment shares |  | (42,864) |  | (42,864)
Settlement of fractional shares | $ (16) | (3,444) |  | (3,460)
Settlement of fractional shares (in shares) | (1,054) |  |  |
Compensation cost for stock options granted to executives and employees |  | 876,189 |  | 876,189
Net loss |  |  | (6,368,885) | (6,368,885)
Balance at end at Dec. 31, 2016 | $ 56,804 | $ 60,344,050 | $ (57,303,748) | $ 3,097,106
Balance at end (in shares) at Dec. 31, 2016 | 3,786,913 |  |  |

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