Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Operating activities:
Net loss	$ (1,371)us-gaap_NetIncomeLoss	$ (2,955)us-gaap_NetIncomeLoss
Less income and gain from discontinued operations	0	(1,367)
Loss from continuing operations	(1,371)	(4,322)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	2,096	2,295
Stock based compensation	(747)us-gaap_ShareBasedCompensation	1,125us-gaap_ShareBasedCompensation
Impairment loss	0us-gaap_AssetImpairmentCharges	2,914us-gaap_AssetImpairmentCharges
Changes in operating assets and liabilities:
Accounts receivable	(1,994)	(3,030)
Inventories	(68)us-gaap_IncreaseDecreaseInInventories	2,255us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	1,137	(1,484)
Accounts payable and other liabilities	(1,071)	(7,110)
Other	179	250
Net cash used in operating activities of continuing operations	(1,839)	(7,107)
Investing activities:
Additions to property, plant and equipment	(352)	(335)
Proceeds from Sale of Equipment	3	0
Proceeds related to sale of business, net	0	12,125
Net cash (used in) provided by investing activities	(349)	11,790
Financing activities:
Net payments on revolving line of credit	0	(4,443)
Net cash used in financing activities	0	(4,443)
Discontinued operations:
Operating cash flows	(29)	50
Net cash (used in) provided by discontinued operations	(29)	50
Increase (decrease) in cash and cash equivalents	(2,217)	290
Cash and cash equivalents at beginning of period	4,207	698
Cash and cash equivalents at end of period	$ 1,990	$ 988

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