Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Net income (loss)	$ 1,555	$ (2,157)
Less income and gain from discontinued operations	0	(1,367)
Income (loss) from continuing operations	1,555	(3,524)
Adjustments to reconcile income (loss) from continuing operations to net cash provided by (used in) operating activities:
Depreciation and amortization	4,222	4,458
Stock based compensation	430	1,533
Impairment loss	0	3,046
Changes in operating assets and liabilities:
Accounts receivable	(969)	(3,654)
Inventories	2,504	1,864
Prepaid expenses and other assets	(793)	(899)
Accounts payable and other liabilities	(4,846)	(7,663)
Other	248	486
Net cash used in operating activities of continuing operations	2,351	(4,353)
Investing activities:
Additions to property, plant and equipment	(1,229)	(917)
Proceeds from sale of property and equipment	3	8,307
Proceeds related to sale of business, net	0	12,125
Net cash (used in) provided by investing activities	(1,226)	19,515
Financing activities:
Net payments on revolving line of credit	0	(13,632)
Proceeds from stock option exercises	50	0
Net cash provided by (used in) financing activities	50	(13,632)
Discontinued operations:
Operating cash flows	(29)	(639)
Net cash used in discontinued operations	(29)	(639)
Increase in cash and cash equivalents	1,146	891
Cash and cash equivalents at beginning of period	4,207	698
Cash and cash equivalents at end of period	$ 5,353	$ 1,589