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v3.7.0.1

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member]
--- | --- | --- | --- | ---
Balance at Dec. 31, 2013 | $ 28,086 | $ 251 | $ 44,944 | $ (17,109)
Balance (in shares) at Dec. 31, 2013 |  | 25,070,386 |  |
Sale of common stock | 15,616 | $ 69 | 15,547 | 0
Sale of common stock (in shares) |  | 6,900,000 |  |
Issuance of common stock upon exercise of stock options | 309 | $ 3 | 306 | 0
Issuance of common stock upon exercise of stock options (in shares) |  | 341,890 |  |
Value of share-based arrangements | 708 | $ 0 | 708 | 0
Value of share-based arrangements (in shares) |  | 0 |  |
Net income (loss) | (720) | $ 0 | 0 | (720)
Balance at Dec. 31, 2014 | 43,999 | $ 323 | 61,505 | (17,829)
Balance (in shares) at Dec. 31, 2014 |  | 32,312,276 |  |
Issuance of common stock upon exercise of stock options and warrants | 460 | $ 5 | 455 | 0
Issuance of common stock upon exercise of stock options and warrants (in shares) |  | 482,506 |  |
Issuance of common stock for services | 30 | $ 0 | 30 | 0
Issuance of common stock for services (in shares) |  | 9,835 |  |
Value of share-based arrangements | 173 | $ 0 | 173 | 0
Value of share-based arrangements (in shares) |  | 0 |  |
Net income (loss) | 4,763 | $ 0 | 0 | 4,763
Balance at Dec. 31, 2015 | 49,425 | $ 328 | 62,163 | (13,066)
Balance (in shares) at Dec. 31, 2015 |  | 32,804,617 |  |
Sale of common stock | 48,356 | $ 74 | 48,282 | 0
Sale of common stock (in shares) |  | 7,392,856 |  |
Issuance of common stock upon exercise of stock options and warrants | 2,704 | $ 13 | 2,691 | 0
Issuance of common stock upon exercise of stock options and warrants (in shares) |  | 1,251,199 |  |
Excess tax benefits from exercise of stock options | 189 |  | 189 | 0
Issuance of common stock for services | 105 | $ 0 | 105 | 0
Issuance of common stock for services (in shares) |  | 17,148 |  |
Value of share-based arrangements | 601 | $ 0 | 601 | 0
Value of share-based arrangements (in shares) |  | 0 |  |
Net income (loss) | 10,637 | $ 0 | 0 | 10,637
Balance at Dec. 31, 2016 | $ 112,017 | $ 415 | $ 114,032 | $ (2,430)
Balance (in shares) at Dec. 31, 2016 |  | 41,465,820 |  |

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