Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Net loss	$ (8,668)	$ (1,678)
Income from discontinued operation, net of income taxes	65	0
Loss from continuing operations	(8,733)	(1,678)
Adjustments to reconcile loss from continuing operations to net cash (used in) provided by operating activities of continuing operations:
Depreciation	1,972	1,629
Amortization	151	180
Provision for bad debt expense	37	(16)
Share-based compensation expense	331	257
Loss on disposal and impairment of fixed assets	211	11
Change in assets and liabilities:
Accounts receivable	1,354	1,719
Inventories	(618)	(250)
Other assets	1,047	344
Accounts payable, accrued expenses and other long-term liabilities	998	(577)
Net cash (used in) provided by operating activities of continuing operations	(3,250)	1,619
Cash flows from investing activities:
Capital expenditures	(2,030)	(1,883)
Proceeds from sale of fixed assets	51	0
Net cash used in investing activities of continuing operations	(1,979)	(1,883)
Cash flows from financing activities:
Reduction in capital lease obligations	(144)	(153)
Debt financing fees	(101)	(101)
Net cash used in financing activities of continuing operations	(245)	(254)
Net decrease in cash and cash equivalents	(5,474)	(518)
Cash and cash equivalents at beginning of period	16,917	21,391
Cash and cash equivalents at end of period	11,443	20,873
Supplemental disclosure of non-cash investing activities:
Fixed assets vouchered but not paid	570	558
Fixed assets acquired by capital lease	0	211
Supplemental disclosure of cash paid during the period for:
Income taxes	$ 40	$ 52