Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements Of Operations [Abstract]
Revenues	$ 102,983	$ 99,825	$ 129,213
Operating costs and expenses
Medical professional and license fees	24,628	24,161	28,746
Direct costs of services	43,048	46,631	63,579
General and administrative	13,942	13,956	16,501
Marketing and advertising	22,678	24,114	33,784
Depreciation	5,703	9,408	14,198
Consent revocation solicitation			780
Impairment and restructuring charges	140	5,484	8,110
Total operating cost	110,139	123,754	165,698
Gain on sale of assets	618	1,962	385
Operating loss	(6,538)	(21,967)	(36,100)
Net investment income and other	470	1,433	1,907
Loss before income taxes	(6,068)	(20,534)	(34,193)
Income tax expense (benefit)	130	43	(949)
Net loss	$ (6,198)	$ (20,577)	$ (33,244)
Loss per common share
Basic	$ (0.33)	$ (1.10)	$ (1.79)
Diluted	$ (0.33)	$ (1.10)	$ (1.79)
Dividends declared per share
Weighted average shares outstanding
Basic	18,811	18,680	18,594
Diluted	18,811	18,680	18,594