CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss	$ (1,787)	$ (3,209)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	2,895	2,615
Loss on sale or disposal of Property, equipment and leasehold improvements	3	2
Deferred income taxes	(1,207)	(2,155)
Stock-based compensation	357	20
Other	172	552
Changes in operating assets and liabilities:
Accounts receivable, net	1,578	1,663
Inventories	(1,926)	(2,188)
Other current assets	(1,018)	(178)
Accounts payable and other accrued expenses	2,946	1,732
Accrued salaries, wages and payroll taxes	988	(221)
Refundable deposits	36	(328)
Net cash provided by (used in) operating activities	3,037	(1,695)
Cash flows from investing activities:
Expenditures for Property, equipment and leasehold improvements	1,965	5,651
Net cash used in investing activities	(1,965)	(5,651)
Cash flows from financing activities:
Principal payments on debt and capital lease obligations	(131)	(225)
Net borrowings (repayments) under revolving line of credit	(1,238)	7,770
Net cash provided by (used in) financing activities	(1,369)	7,545
Increase (decrease) in Cash and cash equivalents	(297)	199
Cash and cash equivalents:
Beginning of period	442	911
End of period	145	1,110
Supplemental disclosure of cash flow information:
Cash paid for interest	178	132
Cash paid for income taxes, net	0	62
Supplemental disclosure of non-cash information:
Purchases of Property, equipment and leasehold improvements with capital leases	180	473
Purchases of Property, equipment and leasehold improvements included in Accounts payable at end of period	$ 104	$ 1,495