Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements Of Operations [Abstract]
Revenues	$ 21,790	$ 20,263	$ 78,489	$ 80,566
Operating costs and expenses
Medical professional and license fees	5,181	4,966	19,236	19,406
Direct costs of services	10,461	11,499	31,931	37,390
General and administrative expenses	3,586	3,336	10,577	10,768
Marketing and advertising	5,305	5,100	17,730	19,298
Depreciation	1,458	2,379	4,346	7,375
Impairment charges		1,608		1,694
Restructuring charges		145	56	794
Total operating cost	25,991	29,033	83,876	96,725
Gain on sale of assets	99	266	498	1,577
Operating loss	(4,102)	(8,504)	(4,889)	(14,582)
Net investment income and other	334	103	492	1,424
Loss before taxes on income	(3,768)	(8,401)	(4,397)	(13,158)
Income tax expense	32	39	149	134
Net loss	$ (3,800)	$ (8,440)	$ (4,546)	$ (13,292)
Loss per common share
Basic	$ (0.20)	$ (0.45)	$ (0.24)	$ (0.71)
Diluted	$ (0.20)	$ (0.45)	$ (0.24)	$ (0.71)
Weighted average shares outstanding
Basic	18,838	18,703	18,798	18,672
Diluted	18,838	18,703	18,798	18,672