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v3.7.0.1

Consolidated Statement of Changes in Stockholders' Equity (Deficit) - USD ($) | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2014 | 10,196,510 |  | 534,000 |  |
Balance at Dec. 31, 2014 | $ 10,197 | $ 21,420,975 | $ (791,638) | $ (5,012,181) | $ 15,627,353
Stock-based compensation expense |  | 825,145 |  |  | 825,145
Issuance of common stock (in shares) | 2,613,636 |  |  |  |
Issuance of common stock | $ 2,614 | 13,020,981 |  |  | 13,023,595
Issuance of vested restricted stock (in shares) | 259,589 |  |  |  |
Issuance of vested restricted stock | $ 260 | $ (260) |  |  |
Exercise of stock options | $ 445 |  |  |  |
Exercise of stock options (in shares) |  | 534 |  |  | 534
Net loss |  |  |  | $ (8,797,321) | $ (8,797,321)
Balance (in shares) at Dec. 31, 2015 | 13,070,180 |  | 534,000 |  |
Balance at Dec. 31, 2015 | $ 13,070 | 35,267,376 | $ (791,638) | (13,809,502) | 20,679,306
Stock-based compensation expense |  | 1,123,481 |  |  | 1,123,481
Issuance of common stock (in shares) | 46,948 |  |  |  |
Issuance of common stock | $ 47 | 99,953 |  |  | 100,000
Issuance of vested restricted stock (in shares) | 162,441 |  |  |  |
Issuance of vested restricted stock | $ 162 | $ (162) |  |  |
Exercise of stock options | $ 37,824 |  |  |  |
Exercise of stock options (in shares) | 38 | 70,893 |  |  | 70,931
Net loss |  |  |  | $ (15,173,872) | $ (15,173,872)
Balance (in shares) at Dec. 31, 2016 | 13,317,393 |  | 296,504 |  |
Balance at Dec. 31, 2016 | $ 13,317 | 36,398,588 | $ (503,118) | (28,983,374) | 6,925,413
Issuance of common stock, offering costs adjustment |  | (1,042) |  |  | (1,042)
Purchases of treasury stock under employee stock plans |  |  | $ (83,391) |  | $ (83,391)
Purchases of treasury stock under employee stock plans (in shares) |  |  | 13,376 |  | 13,376
Sale of treasury stock |  | $ (161,911) | $ 371,911 |  | $ 210,000
Sale of treasury stock (in shares) |  |  | (250,872) |  |

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