CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net loss	$ (8,244)	$ (3,781)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	6,288	4,970
Gains on disposal of assets	(507)	(175)
Share-based compensation expense	913	864
Amortization of deferred gain on sale leaseback transaction	(114)	(129)
Deferred income taxes	75	943
Income tax benefit related to other comprehensive income	0	(634)
Changes in operating assets and liabilities:
Trade accounts receivable	3,128	(2,370)
Prepaid expenses and other assets	(2,338)	1,499
Accounts payable	(4,163)	(1,492)
Accrued and other liabilities	4,984	1,832
Net cash provided by operating activities	22	1,527
Investing Activities
Proceeds from note receivable	0	319
Proceeds from sale of assets	982	639
Purchases of property, plant and equipment	(5,209)	(6,825)
Cash paid for acquisition of business	(18,326)
Cash paid for prior period acquisitions of businesses	(434)	(400)
Net cash used in investing activities	(22,987)	(6,267)
Financing Activities
Proceeds from stock option exercises	547	36
Proceeds from the issuance of common stock	100	53
Proceeds from line of credit	161,795	75,872
Principal payments on line of credit	(137,893)	(75,872)
Principal payments on long-term debt	(182)
Principal payments on capital lease obligations	(398)	(70)
Net cash provided by (used in) financing activities	23,969	19
Effect of exchange rate changes on cash	84	(231)
Net increase (decrease) in cash and cash equivalents	1,088	(4,952)
Cash and cash equivalents at beginning of period	5,306	10,989
Cash and cash equivalents at end of period	6,394	$ 6,037
Supplemental Disclosure of Noncash Investing Activities
Assets acquired through capital lease	$ 4,840