Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Condensed Consolidated Statements of Operations and Comprehensive Income [Abstract]
Revenues	$ 20,009	$ 21,790	$ 81,298	$ 78,489
Operating costs and expenses
Medical professional and license fees	4,648	5,181	19,139	19,236
Direct costs of services	10,068	10,461	33,477	31,931
General and administrative expenses	3,037	3,586	10,151	10,577
Marketing and advertising	4,803	5,305	18,283	17,730
Depreciation	1,223	1,458	3,743	4,346
Impairment and restructuring charges	10		47	56
Operating cost	23,789	25,991	84,840	83,876
Gain on sale of assets	33	99	221	498
Operating loss	(3,747)	(4,102)	(3,321)	(4,889)
Net investment income and other	220	334	498	492
Loss before taxes on income	(3,527)	(3,768)	(2,823)	(4,397)
Income tax expense	22	32	70	149
Net loss	(3,549)	(3,800)	(2,893)	(4,546)
Loss per common share
Basic	$ (0.19)	$ (0.20)	$ (0.15)	$ (0.24)
Diluted	$ (0.19)	$ (0.20)	$ (0.15)	$ (0.24)
Weighted average shares outstanding
Basic	19,017	18,838	18,968	18,798
Diluted	19,017	18,838	18,968	18,798
Comprehensive loss	$ (3,360)	$ (4,112)	$ (2,696)	$ (4,792)