Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Loss from continuing operations	$ (11,978)	$ (30,185)
Loss from discontinued operations, net of tax	(11,235)	(30,156)
Loss from continuing operations	(743)	(29)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	3,032	2,250
Amortization of deferred financing costs	130	87
Loss on sale of assets	198	0
Stock compensation expense	3,011	2,058
Deferred income tax benefit	(7,403)	(6,898)
Reduction in tax benefit related to share-based awards	66	365
Changes in current assets and liabilities:
Accounts receivable, net	(15,788)	252
Inventories	(6,373)	(10,479)
Income taxes receivable	332	(10,308)
Other current assets	13,923	31
Accounts payable	5,671	5,801
Accrued liabilities	1,265	12,274
Income taxes payable	97	(1,817)
Interest payable	25	30
Net cash used in operating activities	(2,557)	(6,383)
Cash flows from investing activities:
Capital expenditures	(1,877)	(3,790)
Proceeds from sale of assets	158	0
Purchase of patents and other intangible assets	(84)	(131)
Net cash used in investing activities	(1,803)	(3,921)
Cash flows from financing activities:
Repayments of indebtedness	(750)	(1,785)
Borrowings on revolving credit facility	98,863	96,000
Repayments on revolving credit facility	(96,826)	(83,526)
Debt issuance costs	(106)	0
Reduction in tax benefit related to share-based awards	0	(365)
Purchase of treasury stock related to share-based awards	(102)	(154)
Proceeds from sale of common stock	251	212
Proceeds from exercise of stock options	7	134
Net cash provided by financing activities	1,337	10,516
Discontinued operations:
Net cash used in operating activities	(353)	(169)
Net cash provided by investing activities	353	169
Net cash flows used in discontinued operations	0	0
Effect of changes in exchange rates on cash and cash equivalents	26	60
Net (decrease) increase in cash and cash equivalents	(2,997)	272
Cash and cash equivalents at the beginning of period	4,823	2,208
Cash and cash equivalents at the end of period	$ 1,826	$ 2,480