CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities
Net loss	$ (3,867)	$ (5,391)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	7,629	9,585
(Gains) losses on disposal of assets	(182)	898
(Gain) on dissolution of subsidiary	(413)
Share-based compensation expense	1,207	1,255
Amortization of deferred gain on sale leaseback transaction	(214)	(206)
Deferred income taxes	955	(180)
Changes in operating assets and liabilities:
Trade accounts receivable, net	(2,328)	(3,798)
Prepaid expenses and other assets	1,873	(570)
Accounts payable	(982)	(194)
Accrued and other liabilities	(723)	693
Net cash provided by operating activities	2,955	2,092
Investing Activities
Proceeds from note receivable	481	495
Proceeds from sale of assets	1,064	0
Purchases of property, plant and equipment	(9,562)	(4,054)
Cash paid for acquisitions of businesses	(603)	(1,889)
Net cash used in investing activities	(8,620)	(5,448)
Financing Activities
Proceeds from stock option exercises	39	140
Proceeds from the issuance of common stock	89	79
Proceeds from line of credit	111,172	13,662
Principal payments on line of credit	(109,672)	(13,662)
Principal payments on long-term debt	(94)
Principal payments on capital lease obligations	(92)	(16)
Net cash provided by financing activities	1,442	203
Effect of exchange rate changes on cash	(214)	(13)
Net decrease in cash and cash equivalents	(4,437)	(3,166)
Cash and cash equivalents at beginning of period	10,989	9,183
Cash and cash equivalents at end of period	$ 6,552	$ 6,017