Consolidated Statements of Stockholders' Equity Statement - USD ($) $ in Thousands	Total	Common Class A [Member]	Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]
Stockholders' Equity Attributable to Parent at Dec. 29, 2018	$ 58,984	$ 46,568	$ 2,518	$ 156,390	$ (146,384)	$ (108)
Repurchases of Common Stock	(12)	(34)	0	22	0	0
Restricted stock grants forfeited	(11)	(20)	0	(9)	0	0
Class B converted into common stock	0	8	(8)	0	0	0
Stock-based compensation expense	168	0	0	168	0	0
Net Income (Loss)	(6,672)	0	0	0	(6,672)	0
Other Comprehensive Income (Loss), Net of Tax	(361)	0	0	0	0	(361)
Stockholders' Equity Attributable to Parent at Mar. 30, 2019	52,096	46,522	2,510	156,589	(153,056)	(469)
Stockholders' Equity Attributable to Parent at Dec. 28, 2019	73,211	45,075	2,510	157,547	(131,113)	(808)
Repurchases of Common Stock	(204)	(529)	0	325	0	0
Restricted stock grants issued	0	264	131	(395)	0	0
Stock-based compensation expense	93	0	0	93	0	0
Net Income (Loss)	(2,689)	0	0	0	(2,689)	0
Other Comprehensive Income (Loss), Net of Tax	(937)	0	0	0	0	(937)
Stockholders' Equity Attributable to Parent at Mar. 28, 2020	$ 69,474	$ 44,810	$ 2,641	$ 157,570	$ (133,802)	$ (1,745)