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Quarterly Results of Operations (unaudited) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 30, 2023
Sep. 30, 2023
Jul. 01, 2023
Apr. 01, 2023
Dec. 31, 2022
Oct. 01, 2022
Jul. 02, 2022
Apr. 02, 2022
Dec. 30, 2023
Dec. 31, 2022
Jan. 01, 2022
Quarterly Financial Information Disclosure [Abstract]                      
Revenues $ 181,624 $ 152,541 $ 141,163 $ 154,969 $ 159,790 $ 144,023 $ 148,065 $ 139,517 $ 630,297 $ 591,395 $ 496,455
Gross profit 25,641 20,268 18,629 24,079 23,816 25,132 27,013 23,769 88,617 99,730 81,144
Earnings (loss) from continuing operations (1,752) (5,680) (11,651) (2,827) (427) 2,359 928 1,021 (21,910) 3,881 5,543
Earnings (loss) from discontinued operations (9,982) (140,143) (7,187) 4,204 1,481 (14,293) 543 3,547 (153,108) (8,722) (6,715)
Net earnings (loss) (11,734) (145,823) (18,838) 1,377 1,054 (11,934) 1,471 4,568 (175,018) (4,841) (1,172)
Dividends and accretion of preferred stock (429) (426) (422) (704) (830) (764) (760) (755) (1,981) (3,109) (4,197)
Earnings (loss) attributable to common shareholders $ (12,163) $ (146,249) $ (19,260) $ 673 $ 224 $ (12,698) $ 711 $ 3,813 $ (176,999) $ (7,950) $ (5,369)
Basic and diluted earnings (loss) per share                      
Loss from continuing operations $ (0.02) $ (0.05) $ (0.1) $ (0.03) $ 0.01 $ 0.01 $ 0 $ 0 $ (0.21) $ 0.01 $ 0.01
Earnings (loss) from discontinued operations (0.09) (1.21) (0.06) 0.04 (0.01) (0.13) 0.01 0.03 (1.34) (0.08) (0.06)
Earnings (loss) attributable to common shareholders $ (0.11) $ (1.26) $ (0.17) $ 0.01 $ 0 $ (0.12) $ 0.01 $ 0.04 (1.55) (0.07) (0.05)
Diluted earnings (loss) per share:                      
Loss from continuing operations                 (0.21) 0.01 0.01
Earnings (loss) from discontinued operations                 (1.34) (0.08) (0.06)
Earnings (loss) attributable to common shareholders                 $ (1.55) $ (0.07) $ (0.05)