Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (1,811,000)	$ 1,624,000	$ 4,708,000
Discontinued operations	(67,000)	(1,128,000)	3,258,000
Income (loss) from continuing operations	(1,744,000)	2,752,000	1,450,000
Adjustments to reconcile income (loss) from continuing operations to net cash provided by operating activities:
Depreciation and amortization	8,292,000	7,524,000	7,078,000
Provision for doubtful accounts	7,163,000	7,507,000	5,710,000
Deferred income tax provision (benefit)	(1,569,000)	(1,222,000)	837,000
Provision for self-insured professional liability, net of cash payments	1,968,000	3,200,000	1,173,000
Stock based compensation	1,012,000	1,152,000	580,000
Debt retirement costs	351,000	0	0
Provision for leases net of cash payments	(1,773,000)	(1,749,000)	(1,180,000)
Lease termination costs, net of cash payments	1,863,000	0	0
Equity in net income of investment in unconsolidated affiliate	(271,000)	(335,000)	0
Gain on sale of investment in unconsolidated affiliate	(1,366,000)	0	0
Deferred bonus	350,000	0	0
Other	576,000	396,000	316,000
Changes in other assets and liabilities affecting operating activities:
Receivables, net	(25,551,000)	(9,883,000)	(14,592,000)
Prepaid expenses and other assets	(1,620,000)	(60,000)	(184,000)
Trade accounts payable and accrued expenses	10,224,000	1,009,000	4,771,000
Net cash provided by (used in) continuing operations	(2,095,000)	10,291,000	5,959,000
Net cash used in discontinued operations	(3,523,000)	(7,014,000)	(2,978,000)
Net cash provided by (used in) operating activities	(5,618,000)	3,277,000	2,981,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(6,022,000)	(4,646,000)	(5,494,000)
Property acquisitions	(7,550,000)	0	0
Acquisition of property and equipment through business combination	0	(10,900,000)	0
Proceeds from sale of discontinued operations	0	0	17,124,000
Proceeds from sale of unconsolidated affiliate	2,068,000	0	0
Change in restricted cash	1,658,000	2,489,000	31,000
Deposits and other deferred balances	0	(9,000)	(64,000)
Net cash provided by (used in) continuing operations	(9,846,000)	(13,066,000)	11,597,000
Net cash used in discontinued operations	0	0	(61,000)
Net cash provided by (used in) investing activities	(9,846,000)	(13,066,000)	11,536,000
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of debt obligations	(73,374,000)	(15,342,000)	(21,645,000)
Proceeds from issuance of debt	92,789,000	27,945,000	21,808,000
Financing costs	(2,162,000)	(160,000)	(195,000)
Issuance and redemption of employee equity awards	(105,000)	79,000	(47,000)
Redemption of preferred stock	0	0	(4,918,000)
Payment of common stock dividends	(1,366,000)	(1,347,000)	(1,322,000)
Payment of preferred stock dividends	0	0	(220,000)
Deconsolidation of noncontrolling interests, net of income taxes	0	0	(1,385,000)
Payment for preferred stock restructuring	(640,000)	(619,000)	(600,000)
Net cash provided by (used in) continuing operations	15,142,000	10,556,000	(8,524,000)
Net cash used in discontinued operations	0	0	(5,956,000)
Net cash provided by (used in) financing activities	15,142,000	10,556,000	(14,480,000)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(322,000)	767,000	37,000
CASH AND CASH EQUIVALENTS, beginning of period	4,585,000	3,818,000	3,781,000
CASH AND CASH EQUIVALENTS, end of period	4,263,000	4,585,000	3,818,000
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash payments of interest, net of amounts capitalized	3,965,000	3,629,000	3,324,000
Cash payments of income taxes	549,000	205,000	84,000
SUPPLEMENTAL INFORMATION ON NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Acquisition of equipment through capital lease	$ 1,851,000	$ 0	$ 0