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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. 30, 2016 | $ 37,905 | $ 407 | $ 197,657 | $ (1,050) | $ (159,109)
Balance (in shares) at Dec. 30, 2016 |  | 40,732 |  |  |
Net income (loss) | (2,139) |  |  |  | (2,139)
Other comprehensive loss | (100) |  |  | (100) |
Common stock issued upon exercise of options | 3,970 | $ 6 | 3,964 |  |
Common stock issued upon exercise of options (in shares) |  | 557 |  |  |
Stock-based compensation | 3,533 |  | 3,533 |  |
Repurchase of employee common stock for taxes withheld | $ (234) |  | (234) |  |
Repurchase of employee common stock for taxes withheld (in shares) |  | (24) |  |  |
Unvested restricted stock (in shares) | (21) | 21 |  |  |
Vested restricted stock | $ 1 | $ 1 |  |  |
Vested restricted stock (in shares) |  | 97 |  |  |
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 (loss) | 4,968 |  |  |  | 4,968
Other comprehensive loss | (170) |  |  | (170) |
Proceeds from public offering of stock | 72,150 | $ 20 | 72,130 |  |
Proceeds from public offering of stock (in shares) |  | 2,000 |  |  |
Common stock issued upon exercise of options | 5,195 | $ 6 | 5,189 |  |
Common stock issued upon exercise of options (in shares) |  | 595 |  |  |
Stock-based compensation | 7,399 |  | 7,399 |  |
Repurchase of employee common stock for taxes withheld | $ (54) |  | (54) |  |
Unvested restricted stock (in shares) | (11) | 11 |  |  |
Vested restricted stock | $ 2 | $ 2 |  |  |
Vested restricted stock (in shares) |  | 206 |  |  |
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 (loss) | 14,048 |  |  |  | 14,048
Impact of the adoption standard | Lease Accounting Standard | 113 |  |  |  | 113
Impact of the adoption standard | Nonemployee Share-Based Payment Standard |  |  | (315) |  | 315
Other comprehensive loss | (1,728) |  |  | (1,728) |
Common stock issued upon exercise of options | $ 3,459 | $ 4 | 3,455 |  |
Common stock issued upon exercise of options (in shares) | 388 | 387 |  |  |
Stock-based compensation | $ 11,564 |  | 11,564 |  |
Unvested restricted stock (in shares) | (11) | 11 |  |  |
Vested restricted stock | $ 2 | $ 2 |  |  |
Vested restricted stock (in shares) |  | 229 |  |  |
Balance at Jan. 03, 2020 | $ 159,884 | $ 448 | $ 304,288 | $ (3,048) | $ (141,804)
Balance (in shares) at Jan. 03, 2020 |  | 44,822 |  |  |

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