CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating Activities
Net income (loss)	$ 1,175	$ (797)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	8,383	9,382
Impairment losses	53	174
Provision for doubtful accounts	(54)	555
Share-based compensation expense	745	1,279
Deferred income taxes	178	103
Income tax benefit related to other comprehensive income	(460)	(233)
Changes in operating assets and liabilities:
Trade accounts receivable	5,550	2,482
Prepaid expenses and other assets	807	2,105
Accounts payable	(449)	(1,663)
Accrued and other liabilities	(2,002)	(1,891)
Net cash provided by operating activities	13,926	11,496
Investing Activities
Proceeds from sale of assets	342	24
Purchases of property, plant and equipment	(4,039)	(938)
Cash paid for acquisition of businesses	0	(617)
Net cash used in investing activities	(3,697)	(1,531)
Financing Activities
Proceeds from the issuance of common stock	848	159
Proceeds from line of credit	233,208	224,650
Principal payments on line of credit	(241,841)	(234,680)
Principal payments on other debt	(2,133)	(2,150)
Net cash used in financing activities	(9,918)	(12,021)
Effect of exchange rate changes on cash	(14)	221
Net increase (decrease) in cash and cash equivalents	297	(1,835)
Cash and cash equivalents at beginning of period	1,039	2,626
Cash and cash equivalents at end of period	$ 1,336	$ 791