Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash used in operating activities
Net loss	$ (46,023)	$ (43,714)
Adjustments to reconcile net loss to cash used in operating activities:
Loss (income) from discontinued operations, net of tax	707	(1,866)
Depreciation and amortization	16,690	15,820
Provision for doubtful accounts	736	2,956
Stock based compensation	2,956	2,956
Realized and unrealized net gain on fair value of convertible promissory notes and earn-outs		(199)
Deferred income taxes	1,419	(250)
Impairment related to assets held for sale	3,330
Gain on sale of assets	(203)
Changes in working capital components:
Accounts receivable	(504)	2,464
Inventory	(681)	(951)
Other assets and noncurrent assets	1,638	(871)
Accounts payable, accrued expenses, and other current liabilities	2,906	(1,227)
Net cash used in operating activities of continuing operations	(17,029)	(25,226)
Net cash (used in) provided by operating activities of discontinued operations	(3,028)	5,819
Cash used in operating activities	(20,057)	(19,407)
Investing activities
Proceeds from sale of discontinued operations (including working capital adjustment)	12,571
Purchases of property and equipment	(13,974)	(15,792)
Cash received for sale of assets held for sale	349
Cash received on sale of property and equipment	129
Acquisitions, net of cash acquired	(151)	(4,310)
Restricted cash	(285)
Cash used in investing activities of continuing operations	(1,361)	(20,102)
Net cash used in investing activities of discontinued operations		(2,741)
Cash used in investing activities	(1,361)	(22,843)
Financing activities
Proceeds from debt issuances	484
Principal payments on debt	(6,996)	(18,671)
Proceeds from exercise of stock options	1
Net cash used in financing activities of continuing operations	(6,511)	(18,671)
Net cash provided by financing activities of discontinued operations		289
Cash used in financing activities	(6,511)	(18,382)
Net decrease in cash and cash equivalents	(27,929)	(60,632)
Cash and cash equivalents at the beginning of the period	61,419	70,508
Cash and cash equivalents at the end of the period	$ 33,490	$ 9,876