CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ (948)	$ 227
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	5,362	4,727
Loss on sale or disposal of Property, equipment and leasehold improvements	9	306
Deferred income taxes	(664)	67
Stock-based compensation	309	605
Excess tax benefit from employee stock plans	0	(51)
Other	(73)	62
Changes in operating assets and liabilities:
Accounts receivable, net	(8,404)	(9,831)
Inventories	(5,034)	62
Other current assets	(327)	(97)
Accounts payable and other accrued expenses	8,051	5,330
Accrued salaries, wages and payroll taxes	(1,086)	(114)
Refundable deposits	625	(181)
Net cash provided by (used in) operating activities	(2,180)	1,112
Cash flows from investing activities:
Expenditures for Property, equipment and leasehold improvements	(9,220)	(5,816)
Proceeds from sale of property, equipment and leasehold improvements	8	387
Net cash used in investing activities	(9,212)	(5,429)
Cash flows from financing activities:
Principal payments on debt and capital lease obligations	(350)	(245)
Net borrowings under revolving line of credit	11,237	4,900
Proceeds from issuances of common stock	0	58
Tax payments related to stock-based awards	(71)	(151)
Excess tax benefit from employee stock plans	0	51
Net cash provided by financing activities	10,816	4,613
Increase (decrease) in Cash and cash equivalents	(576)	296
Cash and cash equivalents:
Beginning of period	911	981
End of period	335	1,277
Supplemental disclosure of cash flow information:
Cash paid for interest	300	329
Cash paid for income taxes, net	80	56
Supplemental disclosure of non-cash information:
Purchase of Property, equipment and leasehold improvements with capital lease	673	0
Purchases of Property, equipment and leasehold improvements included in Accounts payable at end of period	$ 1,550	$ 667