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Condensed Consolidated Statements of Changes in Stockholders' Equity - 6 months ended Jun. 30, 2016 - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Balance at the beginning of the period at Dec. 31, 2015 | $ 45,320 | $ 1 | $ 125,369 | $ 0 | $ (80,050)
Balance at the beginning of the period (in shares) at Dec. 31, 2015 |  | 11,649 |  |  |
Issuance of common stock under employee stock option and stock purchase plans | 386 |  | 386 |  |
Issuance of common stock under employee stock option and stock purchase plans (in shares) |  | 92 |  |  |
Repurchase of common stock | (309) |  | (309) |  |
Repurchase of common stock (in shares) |  | (51) |  |  |
Stock-based compensation | 640 |  | 640 |  |
Foreign currency translation adjustments | 1 |  |  | 1 |
Net loss from continuing operations | (5,893) |  |  |  | (5,893)
Net loss from discontinued operations | (12) |  |  |  | (12)
Balance at the end of the period at Jun. 30, 2016 | $ 40,133 | $ 1 | $ 126,086 | $ 1 | $ (85,955)
Balance at the end of the period (in shares) at Jun. 30, 2016 |  | 11,690 |  |  |

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