Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Loss from continuing operations	$ (21,479)	$ (9,322)	$ (5,207)
Income (loss) from discontinued operations	95	(233)	(131)
Income on disposal of discontinued operations, net of tax	0	0	60
Net loss	(21,384)	(9,555)	(5,278)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	12,653	12,947	13,515
Provision (benefit) for deferred income taxes	(537)	8,181	(3,260)
Net loss (gain) on property, plant and equipment disposals	(1,047)	170	725
Impairment of assets	1,164	0	0
Impairment of goodwill and intangibles	5,545	0	0
Stock-based compensation (credit) expense	(29)	940	1,324
Excess tax benefits from stock-based compensation	0	0	(3)
Bad debt expense	163	70	38
Changes in operating assets and liabilities:
Receivables	3,775	(2,945)	7,163
Inventories	8,462	(16,420)	17,909
Other current assets	(535)	776	(1,014)
Accounts payable and accrued expenses	(4,198)	(3,161)	(6,827)
Other operating assets and liabilities	1,073	(609)	(371)
NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES	5,105	(9,606)	23,921
CASH FLOWS FROM INVESTING ACTIVITIES
Net proceeds from sales of property, plant and equipment	1,856	0	1
Purchase of property, plant and equipment	(4,052)	(12,724)	(4,904)
NET CASH USED IN INVESTING ACTIVITIES	(2,196)	(12,724)	(4,903)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings (payments) on revolving credit facility	1,512	27,125	(9,986)
Payments on notes payable - buildings	(731)	(731)	(731)
Payments on notes payable related to acquisitions	(791)	(1,920)	(1,924)
Borrowings on notes payable - equipment and other	3,273	7,612	2,674
Payments on notes payable - equipment and other	(4,260)	(4,145)	(4,653)
Payments on capital leases	(4,617)	(3,921)	(3,171)
Change in outstanding checks in excess of cash	2,762	(1,695)	(932)
Repurchases of Common Stock	(58)	(116)	(152)
Excess tax benefits from stock-based compensation	0	0	3
Payments for debt issuance costs	0	0	(287)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(2,910)	22,209	(19,159)
DECREASE IN CASH AND CASH EQUIVALENTS	(1)	(121)	(141)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	19	140	281
CASH AND CASH EQUIVALENTS AT END OF PERIOD	18	19	140
SUPPLEMENTAL CASH FLOW INFORMATION:
Equipment purchased under capital leases	223	621	169
Equipment purchased under notes payable	0	59	0
Accrued purchases of equipment	166	179	258
Shortfall of tax benefits from stock-based compensation	$ 0	$ 0	$ (192)