Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating activities:
Net income (loss)	$ (2,955)	$ (3,223)
Loss from discontinued operations	(1,367)	(381)
Income (loss) from continuing operations	(4,322)	(3,604)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	2,295	2,061
Stock based compensation	1,125	1,596
Impairment loss	2,914	0
Changes in operating assets and liabilities:
Accounts receivable	(3,030)	(3,714)
Inventories	2,255	(2,935)
Prepaid expenses and other assets	(1,484)	1,234
Accounts payable and other liabilities	(7,110)	3,086
Other	250	28
Net cash used in operating activities of continuing operations	(7,107)	(2,248)
Investing activities:
Additions to property, plant and equipment	(335)	(1,225)
Net proceeds (outlay) related to sale of businesses	12,125	0
Net cash used in investing activities of continuing operations	11,790	(1,225)
Financing activities:
Net proceeds from line of credit	(4,443)	3,715
Net cash provided by (used in) financing activities of continuing operations	(4,443)	3,715
Discontinued operations:
Cash Provided by (Used in) Operating Activities, Discontinued Operations	50	(371)
Cash Provided by (Used in) Investing Activities, Discontinued Operations	0	(176)
Net cash used in operating activities of discontinued operations	50	(547)
Decrease in cash and cash equivalents	290	(305)
Cash and cash equivalents at beginning of year	698	1,640
Cash and cash equivalents at end of year	$ 988	$ 1,335