Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common shares [Member]	Additional paid-in Capital [Member]	Accumulated deficit [Member]	Accumulated other comprehensive loss [Member]	Total
Balance at Jan. 02, 2021	$ 326,545	$ 37,862	$ (147,741)	$ 1,363	$ 218,029
Balance (in shares) at Jan. 02, 2021	90,194
Exchange of Series A preferred stock, net of share issuance costs of $262	$ 87,213				87,213
Exchange of Series A preferred stock, net of share issuance costs of $262 (in share)	12,633
Employee stock purchase plan	$ 126				126
Employee stock purchase plan (in shares)	10
Stock incentive plan	$ 4,938	(2,424)			2,514
Stock incentive plan (in shares)	775
Withholding taxes on stock-based awards		(6,071)			(6,071)
Stock-based compensation		3,973			3,973
Net earnings			1,672		1,672
Dividends on preferred stock			(1,651)		(1,651)
Accretion on preferred stock			(302)		(302)
Balance at Apr. 03, 2021	$ 418,822	33,340	(148,022)	1,363	305,503
Balance (in shares) at Apr. 03, 2021	103,612
Balance at Jan. 01, 2022	$ 436,463	23,240	(156,082)	1,363	304,984
Balance (in shares) at Jan. 01, 2022	107,360
Employee stock purchase plan	$ 134				134
Employee stock purchase plan (in shares)	31
Stock incentive plan	$ 854	(738)			116
Stock incentive plan (in shares)	188
Withholding taxes on stock-based awards		(89)			(89)
Stock-based compensation		1,629			1,629
Earnings from continuing operations			654		654
Earnings from discontinued operations			3,566		3,566
Net earnings					4,220
Dividends on preferred stock			(609)		(609)
Accretion on preferred stock			(146)		(146)
Balance at Apr. 02, 2022	$ 437,451	$ 24,042	$ (152,617)	$ 1,363	$ 310,239
Balance (in shares) at Apr. 02, 2022	107,579