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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Balance at Dec. 29, 2017 | $ 42,936 | $ 414 | $ 204,920 | $ (1,150) | $ (161,248)
Balance (in shares) at Dec. 29, 2017 |  | 41,383 |  |  |
Net income | 583 |  |  |  | 583
Other comprehensive income (loss) | 521 |  |  | 521 |
Common stock issued upon exercise of options | 453 | $ 1 | 452 |  |
Common stock issued upon exercise of options (in shares) |  | 57 |  |  |
Stock-based compensation | 1,423 |  | 1,423 |  |
Vested restricted stock | 1 | $ 1 |  |  |
Vested restricted stock (in shares) |  | 152 |  |  |
Balance at Mar. 30, 2018 | 45,917 | $ 416 | 206,795 | (629) | (160,665)
Balance (in shares) at Mar. 30, 2018 |  | 41,592 |  |  |
Balance at Dec. 28, 2018 | 132,426 | $ 442 | 289,584 | (1,320) | (156,280)
Balance (in shares) at Dec. 28, 2018 |  | 44,195 |  |  |
Net income | 1,367 |  |  |  | 1,367
Adoption of ASC/ ASU | Accounting Standards Update 2016-02 | 113 |  |  |  | 113
Adoption of ASC/ ASU | Accounting Standards Update 2018-07 |  |  | (315) |  | 315
Other comprehensive income (loss) | (23) |  |  | (23) |
Common stock issued upon exercise of options | $ 623 |  | 623 |  |
Common stock issued upon exercise of options (in shares) | 74 | 74 |  |  |
Stock-based compensation | $ 2,830 |  | 2,830 |  |
Vested restricted stock | 2 | $ 2 |  |  |
Vested restricted stock (in shares) |  | 178 |  |  |
Balance at Mar. 29, 2019 | $ 137,338 | $ 444 | $ 292,722 | $ (1,343) | $ (154,485)
Balance (in shares) at Mar. 29, 2019 |  | 44,447 |  |  |

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