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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' (DEFECIT) EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Loss | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 30, 2017 |  | 9,101 |  |  |
Beginning balance at Dec. 30, 2017 | $ 35,002 | $ 91 | $ 259,588 | $ (36,507) | $ (188,170)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (13,427) |  |  |  | (13,427)
Foreign currency translation, net of tax | 6 |  |  | 6 |
Unrealized gain from pension plan, net of tax | 203 |  |  | 203 |
Vesting of performance shares (in shares) |  | 109 |  |  |
Vesting of performance shares | 1 | $ 1 |  |  |
Compensation related to share-based grants | 319 |  | 319 |  |
Repurchase of shares to satisfy employee tax withholdings | (1) |  | (1) |  |
Other | (7) |  |  |  | (7)
Ending balance (in shares) at Mar. 31, 2018 |  | 9,210 |  |  |
Ending balance at Mar. 31, 2018 | 22,096 | $ 92 | 259,906 | (36,298) | (201,604)
Beginning balance (in shares) at Dec. 30, 2017 |  | 9,101 |  |  |
Beginning balance at Dec. 30, 2017 | 35,002 | $ 91 | 259,588 | (36,507) | (188,170)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (31,881) |  |  |  |
Foreign currency translation, net of tax | (3) |  |  |  |
Ending balance (in shares) at Sep. 29, 2018 |  | 9,289 |  |  |
Ending balance at Sep. 29, 2018 | 2,224 | $ 92 | 258,088 | (35,905) | (220,051)
Beginning balance (in shares) at Mar. 31, 2018 |  | 9,210 |  |  |
Beginning balance at Mar. 31, 2018 | 22,096 | $ 92 | 259,906 | (36,298) | (201,604)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (8,558) |  |  |  | (8,558)
Foreign currency translation, net of tax | (9) |  |  | (9) |
Unrealized gain from pension plan, net of tax | 201 |  |  | 201 |
Vesting of restricted stock units (in shares) |  | 11 |  |  |
Vesting of restricted stock units | 0 |  |  |  |
Compensation related to share-based grants | 338 |  | 338 |  |
Repurchase of shares to satisfy employee tax withholdings (in shares) |  | (2) |  |  |
Repurchase of shares to satisfy employee tax withholdings | (1,719) |  | (1,719) |  |
Other | 7 |  |  |  | 7
Ending balance (in shares) at Jun. 30, 2018 |  | 9,219 |  |  |
Ending balance at Jun. 30, 2018 | 12,356 | $ 92 | 258,525 | (36,106) | (210,155)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (9,896) |  |  |  | (9,896)
Foreign currency translation, net of tax | 0 |  |  |  |
Unrealized gain from pension plan, net of tax | 201 |  |  | 201 |
Vesting of restricted stock units (in shares) |  | 70 |  |  |
Vesting of restricted stock units | 0 |  |  |  |
Compensation related to share-based grants | 635 |  | 635 |  |
Repurchase of shares to satisfy employee tax withholdings | (1,068) |  | (1,068) |  |
Other | (4) |  | (4) |  |
Ending balance (in shares) at Sep. 29, 2018 |  | 9,289 |  |  |
Ending balance at Sep. 29, 2018 | 2,224 | $ 92 | 258,088 | (35,905) | (220,051)
Beginning balance (in shares) at Dec. 29, 2018 |  | 9,294 |  |  |
Beginning balance at Dec. 29, 2018 | (14,663) | $ 92 | 258,596 | (37,129) | (236,222)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (6,719) |  |  |  | (6,719)
Foreign currency translation, net of tax | 7 |  |  | 7 |
Unrealized gain from pension plan, net of tax | 1,077 |  |  | 1,077 |
Vesting of restricted stock units (in shares) |  | 49 |  |  |
Vesting of restricted stock units | 1 | $ 1 |  |  |
Compensation related to share-based grants | 706 |  | 706 |  |
Other | 15 |  |  | 15 |
Ending balance (in shares) at Mar. 30, 2019 |  | 9,343 |  |  |
Ending balance at Mar. 30, 2019 | (18,285) | $ 93 | 259,302 | (36,030) | (241,650)
Beginning balance (in shares) at Dec. 29, 2018 |  | 9,294 |  |  |
Beginning balance at Dec. 29, 2018 | (14,663) | $ 92 | 258,596 | (37,129) | (236,222)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (7,461) |  |  |  |
Foreign currency translation, net of tax | (2) |  |  |  |
Ending balance (in shares) at Sep. 28, 2019 |  | 9,365 |  |  |
Ending balance at Sep. 28, 2019 | (20,571) | $ 94 | 260,883 | (39,157) | (242,391)
Beginning balance (in shares) at Mar. 30, 2019 |  | 9,343 |  |  |
Beginning balance at Mar. 30, 2019 | (18,285) | $ 93 | 259,302 | (36,030) | (241,650)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | 6,301 |  |  |  | 6,301
Unrealized gain from pension plan, net of tax | (1,278) |  |  | (1,278) |
Vesting of restricted stock units (in shares) |  | 32 |  |  |
Vesting of restricted stock units | 1 | $ 1 |  |  |
Compensation related to share-based grants | 635 |  | 635 |  |
Repurchase of shares to satisfy employee tax withholdings (in shares) |  | (10) |  |  |
Repurchase of shares to satisfy employee tax withholdings | (208) |  | (208) |  |
Other | (1) |  | (2) | 1 |
Ending balance (in shares) at Jun. 29, 2019 |  | 9,365 |  |  |
Ending balance at Jun. 29, 2019 | (12,835) | $ 94 | 259,727 | (37,307) | (235,349)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net loss | (7,043) |  |  |  | (7,043)
Foreign currency translation, net of tax | (9) |  |  | (9) |
Unrealized gain from pension plan, net of tax | (1,834) |  |  | (1,834) |
Compensation related to share-based grants | 1,156 |  | 1,156 |  |
Other | (6) |  |  | (7) | 1
Ending balance (in shares) at Sep. 28, 2019 |  | 9,365 |  |  |
Ending balance at Sep. 28, 2019 | $ (20,571) | $ 94 | $ 260,883 | $ (39,157) | $ (242,391)

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