CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities:
Net income (loss)	$ 1,688	$ (396)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	7,904	8,056
Loss on sale or disposal of Property, equipment and leasehold improvements	164	16
Deferred income taxes	(168)	174
Stock-based compensation	945	642
Other	906	13
Changes in operating assets and liabilities:
Accounts receivable, net	(4,886)	(4,816)
Inventories	1,371	(2,902)
Other current assets	1,124	410
Accounts payable and other accrued expenses	13,096	736
Accrued salaries, wages and payroll taxes	1,203	389
Refundable deposits	(884)	545
Net cash provided by operating activities	22,463	2,867
Cash flows from investing activities:
Expenditures for Property, equipment and leasehold improvements	(16,170)	(12,206)
Proceeds from sale of Property, equipment and leasehold improvements	95	8
Payments For Long-Term Deposits	0	(925)
Payments to Acquire Equity Method Investments	(2,101)	0
Net cash used in investing activities	(18,176)	(13,123)
Cash flows from financing activities:
Principal payments on debt and capital lease obligations	(483)	(477)
Net borrowings (repayments) under revolving line of credit	(3,922)	10,138
Proceeds from issuances of common stock	98	172
Tax payments related to stock-based awards	(17)	(78)
Net cash provided by (used in) financing activities	(4,324)	9,755
Decrease in Cash and cash equivalents	(37)	(501)
Cash and cash equivalents:
Beginning of period	442	911
End of period	405	410
Supplemental disclosure of cash flow information:
Cash paid for interest	540	489
Cash paid for income taxes, net	216	102
Supplemental disclosure of non-cash information:
Purchases of Property, equipment and leasehold improvements with capital leases	400	1,173
Purchases of Property, equipment and leasehold improvements included in Accounts payable at end of period	$ 285	$ 1,685