CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ 161	$ (1,787)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	2,736	2,895
(Gain) loss on sale or disposal of Property, equipment and leasehold improvements	(516)	3
Deferred income taxes	(605)	(1,207)
Stock-based compensation	485	357
Other	73	172
Changes in operating assets and liabilities:
Accounts receivable, net	(285)	1,578
Inventories	(1,791)	(1,926)
Other current assets	1,128	(1,018)
Accounts payable and other accrued expenses	3,015	2,946
Accrued salaries, wages and payroll taxes	(1,185)	988
Refundable deposits	(475)	36
Net cash provided by operating activities	2,741	3,037
Cash flows from investing activities:
Expenditures for Property, equipment and leasehold improvements	(1,104)	(1,965)
Proceeds from sale of Property, equipment and leasehold improvements	22,456	0
Restricted cash from sale of Property, equipment and leasehold improvements	515	0
Net cash provided by (used in) investing activities	21,867	(1,965)
Cash flows from financing activities:
Principal payments on debt and capital lease obligations	(174)	(131)
Net repayments under revolving line of credit	(22,199)	(1,238)
Net cash used in financing activities	(22,373)	(1,369)
Increase (decrease) in Cash, cash equivalents and restricted cash	2,235	(297)
Cash, cash equivalents and restricted cash:
Beginning of period	579	442
End of period	2,814	145
Supplemental disclosure of cash flow information:
Cash paid for interest	178	178
Cash paid for income taxes, net	1	0
Supplemental disclosure of non-cash information:
Purchases of Property, equipment and leasehold improvements with capital leases	0	180
Purchases of Property, equipment and leasehold improvements included in Accounts payable at end of period	$ 203	$ 104