Condensed Consolidated Statements of Equity (Deficit) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Warrants | Additional Paid-In- Capital | Accumulated Deficit | Non- Controlling Interest |
Beginning balance at Dec. 27, 2020 | $ 5,495 | $ 339 | $ (113,266) | $ 0 | $ 438,174 | $ (319,477) | $ (275) |
Beginning balance (in shares) at Dec. 27, 2020 | | 24,323 | | | | | |
Net income (loss) | (14,474) | | | | | (14,472) | (2) |
Shares issued under equity compensation plan (in shares) | | 63 | | | | | |
Shares issued under equity compensation plan | 0 | $ 1 | | | (1) | | |
Issuance of common shares and warrants, net of fees (in shares) | | 3,250 | | | | | |
Issuance of common shares and warrants, net of fees | 14,940 | $ 32 | | 2,566 | 12,342 | | |
Contributions from non-controlling interest | 136 | | | | | | 136 |
Stock-based compensation expense | 193 | | | | 193 | | |
Ending balance (in shares) at Mar. 28, 2021 | | 27,636 | | | | | |
Ending balance at Mar. 28, 2021 | 6,290 | $ 372 | (113,266) | 2,566 | 450,708 | (333,949) | (141) |
Beginning balance at Dec. 27, 2020 | 5,495 | $ 339 | (113,266) | 0 | 438,174 | (319,477) | (275) |
Beginning balance (in shares) at Dec. 27, 2020 | | 24,323 | | | | | |
Net income (loss) | (21,182) | | | | | | |
Ending balance (in shares) at Sep. 26, 2021 | | 28,369 | | | | | |
Ending balance at Sep. 26, 2021 | (250) | $ 380 | (114,511) | 2,566 | 452,113 | (340,778) | (20) |
Beginning balance at Mar. 28, 2021 | 6,290 | $ 372 | (113,266) | 2,566 | 450,708 | (333,949) | (141) |
Beginning balance (in shares) at Mar. 28, 2021 | | 27,636 | | | | | |
Net income (loss) | (3,848) | | | | | (3,881) | 33 |
Shares issued under equity compensation plan (in shares) | | 535 | | | | | |
Shares issued under equity compensation plan | (685) | $ 6 | (685) | | (6) | | |
Proceeds from exercise of stock options | 219 | | | | 219 | | |
Issuance of common shares and warrants, net of fees | (101) | | | | (101) | | |
Stock-based compensation expense | 655 | | | | 655 | | |
Ending balance (in shares) at Jun. 27, 2021 | | 28,171 | | | | | |
Ending balance at Jun. 27, 2021 | 2,530 | $ 378 | (113,951) | 2,566 | 451,475 | (337,830) | (108) |
Net income (loss) | (2,860) | | | | | (2,948) | 88 |
Shares issued under equity compensation plan (in shares) | | 198 | | | | | |
Shares issued under equity compensation plan | (560) | $ 2 | (560) | | (2) | | |
Stock-based compensation expense | 640 | | | | 640 | | |
Ending balance (in shares) at Sep. 26, 2021 | | 28,369 | | | | | |
Ending balance at Sep. 26, 2021 | (250) | $ 380 | (114,511) | 2,566 | 452,113 | (340,778) | (20) |
Beginning balance at Dec. 26, 2021 | $ (2,417) | $ 380 | (114,577) | 2,566 | 452,570 | (343,261) | (95) |
Beginning balance (in shares) at Dec. 26, 2021 | 28,380 | 28,380 | | | | | |
Net income (loss) | $ (7,887) | | | | | (7,913) | 26 |
Shares issued under equity compensation plan (in shares) | | 81 | | | | | |
Shares issued under equity compensation plan | (278) | $ 1 | (279) | | | | |
Distributions to non-controlling interest | (120) | | | | | | (120) |
Stock-based compensation expense | 675 | | | | 675 | | |
Ending balance (in shares) at Mar. 27, 2022 | | 28,461 | | | | | |
Ending balance at Mar. 27, 2022 | (10,027) | $ 381 | (114,856) | 2,566 | 453,245 | (351,174) | (189) |
Beginning balance at Dec. 26, 2021 | $ (2,417) | $ 380 | (114,577) | 2,566 | 452,570 | (343,261) | (95) |
Beginning balance (in shares) at Dec. 26, 2021 | 28,380 | 28,380 | | | | | |
Net income (loss) | $ 1,957 | | | | | | |
Ending balance (in shares) at Sep. 25, 2022 | 28,791 | 28,791 | | | | | |
Ending balance at Sep. 25, 2022 | $ 909 | $ 384 | (115,331) | 2,566 | 455,012 | (341,571) | (151) |
Beginning balance at Mar. 27, 2022 | (10,027) | $ 381 | (114,856) | 2,566 | 453,245 | (351,174) | (189) |
Beginning balance (in shares) at Mar. 27, 2022 | | 28,461 | | | | | |
Net income (loss) | 708 | | | | | 574 | 134 |
Shares issued under equity compensation plan (in shares) | | 235 | | | | | |
Shares issued under equity compensation plan | (326) | $ 2 | (325) | | (3) | | |
Distributions to non-controlling interest | (56) | | | | | | (56) |
Stock-based compensation expense | 820 | | | | 820 | | |
Ending balance (in shares) at Jun. 26, 2022 | | 28,696 | | | | | |
Ending balance at Jun. 26, 2022 | (8,881) | $ 383 | (115,181) | 2,566 | 454,062 | (350,600) | (111) |
Net income (loss) | 9,136 | | | | | 9,029 | 107 |
Shares issued under equity compensation plan (in shares) | | 95 | | | | | |
Shares issued under equity compensation plan | (150) | $ 1 | (150) | | (1) | | |
Distributions to non-controlling interest | (147) | | | | | | (147) |
Stock-based compensation expense | $ 951 | | | | 951 | | |
Ending balance (in shares) at Sep. 25, 2022 | 28,791 | 28,791 | | | | | |
Ending balance at Sep. 25, 2022 | $ 909 | $ 384 | $ (115,331) | $ 2,566 | $ 455,012 | $ (341,571) | $ (151) |