Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Loss from continuing operations	$ (2,884)	$ (575)
Loss from discontinued operations	(23)	(29)
Net loss	(2,907)	(604)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,143	3,211
Provision (benefit) for deferred income taxes	7	(141)
Stock-based compensation expense	227	288
Bad debt expense	60	30
Changes in operating assets and liabilities:
Receivables	(1,463)	(7,589)
Inventories	(3,331)	(6,305)
Other current assets	(1,111)	(179)
Accounts payable and accrued expenses	2,145	3,696
Other operating assets and liabilities	375	(463)
NET CASH USED IN OPERATING ACTIVITIES	(2,855)	(8,056)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(762)	(3,720)
NET CASH USED IN INVESTING ACTIVITIES	(762)	(3,720)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings on revolving credit facility	3,784	14,251
Payments on notes payable - buildings	(183)	(183)
Payments on notes payable related to acquisitions	0	(294)
Borrowings on notes payable - equipment and other	0	405
Payments on notes payable - equipment and other	(1,114)	(1,130)
Payments on capital leases	(1,074)	(848)
Change in outstanding checks in excess of cash	2,262	(306)
Repurchases of Common Stock	(56)	(116)
NET CASH PROVIDED BY FINANCING ACTIVITIES	3,619	11,779
INCREASE IN CASH AND CASH EQUIVALENTS	2	3
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	19	140
CASH AND CASH EQUIVALENTS AT END OF PERIOD	21	143
SUPPLEMENTAL CASH FLOW INFORMATION:
Interest paid	1,441	1,285
Income taxes paid, net	73	99
Equipment purchased under notes payable	$ 0	$ 59