CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash Flows from Operating Activities:
Net loss	$ (34,832)us-gaap_ProfitLoss	$ (12,510)us-gaap_ProfitLoss
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	6,537	7,936
Provision for doubtful accounts	2,976us-gaap_ProvisionForDoubtfulAccounts	4,968us-gaap_ProvisionForDoubtfulAccounts
Non-cash compensation	2,384us-gaap_ShareBasedCompensation	431us-gaap_ShareBasedCompensation
401(k) employer match	1,813us-gaap_PensionExpense	1,392us-gaap_PensionExpense
Loss on disposal of property and equipment	196	332
Gain on sale of care centers	0us-gaap_GainsLossesOnSalesOfAssets	(645)us-gaap_GainsLossesOnSalesOfAssets
Deferred income taxes	(22,165)us-gaap_DeferredIncomeTaxExpenseBenefit	(7,799)us-gaap_DeferredIncomeTaxExpenseBenefit
Equity in earnings of equity investments	(1,951)	(787)
Amortization of deferred debt issuance costs	276	141
Return on equity investment	645	400
Asset impairment charge	75,193us-gaap_AssetImpairmentCharges	2,208us-gaap_AssetImpairmentCharges
Changes in operating assets and liabilities, net of impact of acquisitions:
Patient accounts receivable	(14,302)	(9,185)
Other current assets	(3,677)	(6,337)
Other assets	(1,014)	(1,219)
Accounts payable	8,156	3,491
Accrued expenses	(5,681)	9,591
Other long-term obligations	(71)	1,250
Net cash provided by (used in) operating activities	14,483	(6,342)
Cash Flows from Investing Activities:
Proceeds from sale of deferred compensation plan assets	64	0
Purchases of deferred compensation plan assets	(19)	(33)
Purchases of property and equipment	(2,113)	(5,532)
Proceeds from dispositions of care centers	0	645
Net cash used in investing activities	(2,068)	(4,920)
Cash Flows from Financing Activities:
Proceeds from issuance of stock upon exercise of stock options and warrants	181	89
Proceeds from issuance of stock to employee stock purchase plan	504us-gaap_ProceedsFromStockPlans	657us-gaap_ProceedsFromStockPlans
Tax benefit from stock option exercises	0	5
Proceeds from revolving line of credit	40,800us-gaap_ProceedsFromShortTermDebt	54,000us-gaap_ProceedsFromShortTermDebt
Repayments of revolving line of credit	(55,800)us-gaap_RepaymentsOfShortTermDebt	(54,000)us-gaap_RepaymentsOfShortTermDebt
Principal payments of long-term obligations	(3,000)us-gaap_RepaymentsOfLongTermDebt	(3,952)us-gaap_RepaymentsOfLongTermDebt
Net cash used in financing activities	(17,315)	(3,201)
Net decrease in cash and cash equivalents	(4,900)	(14,463)
Cash and cash equivalents at beginning of period	8,032	17,303
Cash and cash equivalents at end of period	3,132	2,840
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	1,827us-gaap_InterestPaid	425us-gaap_InterestPaid
Cash paid for income taxes, net of refunds received	$ (89)us-gaap_IncomeTaxesPaidNet	$ 0us-gaap_IncomeTaxesPaidNet

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