CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating Activities
Net loss	$ (797)	$ (15,949)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	9,382	9,803
Impairment losses	174	0
Provision for doubtful accounts	555	0
Gain on sale of assets	(19)	(509)
Share-based compensation expense	1,279	1,376
Amortization of deferred gain on sale leaseback transaction	0	(168)
Deferred income taxes	103	132
Income tax benefit related to other comprehensive income	(233)	0
Changes in operating assets and liabilities:
Trade accounts receivable	2,482	3,778
Prepaid expenses and other assets	2,105	(1,245)
Accounts payable	(1,663)	(5,076)
Accrued and other liabilities	(1,872)	4,488
Net cash provided by (used in) operating activities	11,496	(3,370)
Investing Activities
Proceeds from sale of assets	24	982
Purchases of property, plant and equipment	(938)	(6,500)
Cash paid for acquisition of businesses	(617)	(18,909)
Net cash used in investing activities	(1,531)	(24,427)
Financing Activities
Proceeds from the issuance of common stock	159	698
Proceeds from line of credit	224,650	237,840
Principal payments on line of credit	(234,680)	(214,096)
Principal payments on other debt	(2,150)	(1,479)
Net cash (used in) provided by financing activities	(12,021)	22,963
Effect of exchange rate changes on cash	221	342
Net decrease in cash and cash equivalents	(1,835)	(4,492)
Cash and cash equivalents at beginning of period	2,626	5,306
Cash and cash equivalents at end of period	$ 791	$ 814