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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2021 | $ 128 | $ 167,032 | $ (38) | $ 12,099 | $ 179,221
Balance (in shares) at Dec. 31, 2021 | 12,804 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 1,560 |  |  | 1,561
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 52 |  |  |  |
Shares of common stock issued in connection with incentive stock plan |  | 23 |  |  | 23
Shares of common stock issued in connection with incentive stock plan (in shares) | 4 |  |  |  |
Shares used to pay taxes on stock grants |  | (837) |  |  | (837)
Shares used to pay taxes on stock grants (in shares) | (27) |  |  |  |
Issuance of restricted stock award and units | $ 3 | (3) |  |  |
Issuance of restricted stock award and units (in shares) | 373 |  |  |  |
Stock-based compensation expense |  | 3,305 |  |  | 3,305
Net income (loss) |  |  |  | (3,773) | (3,773)
Net unrealized gain on derivative contracts |  |  | 38 |  | 38
Balance at Apr. 01, 2022 | $ 132 | 171,080 |  | 8,326 | 179,538
Balance (in shares) at Apr. 01, 2022 | 13,206 |  |  |  |
Balance at Dec. 31, 2021 | $ 128 | 167,032 | $ (38) | 12,099 | 179,221
Balance (in shares) at Dec. 31, 2021 | 12,804 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income (loss) |  |  |  |  | (8,023)
Balance at Sep. 30, 2022 | $ 133 | 176,002 |  | 4,076 | 180,211
Balance (in shares) at Sep. 30, 2022 | 13,297 |  |  |  |
Balance at Apr. 01, 2022 | $ 132 | 171,080 |  | 8,326 | 179,538
Balance (in shares) at Apr. 01, 2022 | 13,206 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares used to pay taxes on stock grants |  | (116) |  |  | (116)
Shares used to pay taxes on stock grants (in shares) | (5) |  |  |  |
Issuance of restricted stock award and units (in shares) | 14 |  |  |  |
Stock-based compensation expense |  | 1,714 |  |  | 1,714
Net income (loss) |  |  |  | (4,326) | (4,326)
Balance at Jul. 01, 2022 | $ 132 | 172,678 |  | 4,000 | 176,810
Balance (in shares) at Jul. 01, 2022 | 13,215 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 1,475 |  |  | 1,476
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 63 |  |  |  |
Shares of common stock issued in connection with incentive stock plan |  | 247 |  |  | 247
Shares of common stock issued in connection with incentive stock plan (in shares) | 29 |  |  |  |
Shares used to pay taxes on stock grants |  | (5) |  |  | (5)
Issuance of restricted stock award and units (in shares) | (10) |  |  |  |
Stock-based compensation expense |  | 1,607 |  |  | 1,607
Net income (loss) |  |  |  | 76 | 76
Balance at Sep. 30, 2022 | $ 133 | 176,002 |  | 4,076 | 180,211
Balance (in shares) at Sep. 30, 2022 | 13,297 |  |  |  |
Balance at Dec. 30, 2022 | $ 133 | 177,718 |  | 3,651 | $ 181,502
Balance (in shares) at Dec. 30, 2022 | 13,296 |  |  |  | 13,296
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 1,391 |  |  | $ 1,392
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 92 |  |  |  |
Shares used to pay taxes on stock grants |  | (124) |  |  | (124)
Shares used to pay taxes on stock grants (in shares) | (7) |  |  |  |
Issuance of restricted stock award and units | $ 1 | (1) |  |  |
Issuance of restricted stock award and units (in shares) | 108 |  |  |  |
Stock-based compensation expense |  | 1,533 |  |  | 1,533
Net income (loss) |  |  |  | 932 | 932
Balance at Mar. 31, 2023 | $ 135 | 180,517 |  | 4,583 | 185,235
Balance (in shares) at Mar. 31, 2023 | 13,489 |  |  |  |
Balance at Dec. 30, 2022 | $ 133 | 177,718 |  | 3,651 | $ 181,502
Balance (in shares) at Dec. 30, 2022 | 13,296 |  |  |  | 13,296
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Net income (loss) |  |  |  |  | $ 2,895
Balance at Sep. 29, 2023 | $ 136 | 184,391 |  | 6,546 | $ 191,073
Balance (in shares) at Sep. 29, 2023 | 13,647 |  |  |  | 13,647
Balance at Mar. 31, 2023 | $ 135 | 180,517 |  | 4,583 | $ 185,235
Balance (in shares) at Mar. 31, 2023 | 13,489 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with incentive stock plan |  | 7 |  |  | 7
Shares of common stock issued in connection with incentive stock plan (in shares) | 2 |  |  |  |
Shares used to pay taxes on stock grants |  | (64) |  |  | (64)
Shares used to pay taxes on stock grants (in shares) | (4) |  |  |  |
Issuance of restricted stock award and units (in shares) | 17 |  |  |  |
Stock-based compensation expense |  | 1,287 |  |  | 1,287
Net income (loss) |  |  |  | 397 | 397
Balance at Jun. 30, 2023 | $ 135 | 181,747 |  | 4,980 | 186,862
Balance (in shares) at Jun. 30, 2023 | 13,504 |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |
Shares of common stock issued in connection with employee stock purchase plan | $ 1 | 1,386 |  |  | 1,387
Shares of common stock issued in connection with employee stock purchase plan (in shares) | 91 |  |  |  |
Shares of common stock issued in connection with incentive stock plan |  | 31 |  |  | 31
Shares of common stock issued in connection with incentive stock plan (in shares) | 9 |  |  |  |
Shares used to pay taxes on stock grants |  | (17) |  |  | (17)
Shares used to pay taxes on stock grants (in shares) | (1) |  |  |  |
Issuance of restricted stock award and units (in shares) | 44 |  |  |  |
Stock-based compensation expense |  | 1,244 |  |  | 1,244
Net income (loss) |  |  |  | 1,566 | 1,566
Balance at Sep. 29, 2023 | $ 136 | $ 184,391 |  | $ 6,546 | $ 191,073
Balance (in shares) at Sep. 29, 2023 | 13,647 |  |  |  | 13,647

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