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v3.3.1.900

Consolidated Statements of Changes in Stockholders' Equity - USD ($) | Total | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Loss [Member] | Retained Earnings [Member]
--- | --- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2013 | $ 44,823,747 | $ 1,267 | $ 0 | $ 92,686,881 | $ 0 | $ (47,864,401)
Balances in (shares) at Dec. 31, 2013 |  | 12,668,393 |  |  |  |
Net loss | (20,372,676) | $ 0 | 0 | 0 | 0 | (20,372,676)
Unrealized net loss on marketable investment securities | 0 |  |  |  |  |
Stock-based compensation | 1,892,835 | 0 | 0 | 1,892,835 | 0 | 0
Option exercises | 56,776 | $ 2 | 0 | 56,774 | 0 | 0
Option exercises in (shares) |  | 20,205 |  |  |  |
Vesting of restricted stock awards | 0 | $ 10 | 0 | (10) | 0 | 0
Vesting of restricted stock awards in (shares) |  | 96,784 |  |  |  |
Vesting or restricted stock units | 0 | $ 1 | 0 | (1) | 0 | 0
Vesting or restricted stock units in (shares) |  | 15,000 |  |  |  |
Purchase of treasury stock | (40,712) | $ 0 | $ (40,712) | 0 | 0 | 0
Purchase of treasury stock in (shares) |  | (5,710) | 5,710 |  |  |
Balances at Dec. 31, 2014 | 26,359,970 | $ 1,280 | $ (40,712) | 94,636,479 | 0 | (68,237,077)
Balances in (shares) at Dec. 31, 2014 |  | 12,794,672 | 5,710 |  |  |
Net loss | (18,208,378) | $ 0 | $ 0 | 0 | 0 | (18,208,378)
Unrealized net loss on marketable investment securities | (32,900) | 0 | 0 | 0 | (32,900) | 0
Stock-based compensation | 1,150,418 | 0 | 0 | 1,150,418 | 0 | 0
Option exercises | 276,994 | $ 10 | 0 | 276,984 | 0 | 0
Option exercises in (shares) |  | 98,574 |  |  |  |
Vesting of restricted stock awards | 0 | $ 0 | 0 | 0 | 0 | 0
Vesting of restricted stock awards in (shares) |  | 4,000 |  |  |  |
Issuance of common stock in offering | 32,439,313 | $ 535 | 0 | 32,438,778 | 0 | 0
Issuance of common stock in offering in (shares) |  | 5,347,500 |  |  |  |
Balances at Dec. 31, 2015 | $ 41,985,417 | $ 1,825 | $ (40,712) | $ 128,502,659 | $ (32,900) | $ (86,445,455)
Balances in (shares) at Dec. 31, 2015 |  | 18,244,746 | 5,710 |  |  |

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