Basis of Presentation (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Basis of Presentation [Abstract]
Decrease in revenues and selling, general and administrative expenses		$ 990,000		$ 1,629,000
Percentage of allowance for doubtful accounts (in hundredths)			35.00%		44.00%
Net of recoveries write-offs	1,180,000	1,085,000	2,086,000	1,390,000
Patient service revenue, net of contractual allowances and discounts [Abstract]
Total net patient service revenue	4,605,000	3,841,000	9,042,000	7,076,000
Medicaid [Member]
Patient service revenue, net of contractual allowances and discounts [Abstract]
Total net patient service revenue	1,512,000	1,143,000	3,090,000	2,152,000
Medicare [Member]
Patient service revenue, net of contractual allowances and discounts [Abstract]
Total net patient service revenue	1,050,000	607,000	2,015,000	1,151,000
Blue Cross Blue Shield plans [Member]
Patient service revenue, net of contractual allowances and discounts [Abstract]
Total net patient service revenue	666,000	840,000	1,222,000	1,425,000
Self Pay and Other Third Party Payors [Member]
Patient service revenue, net of contractual allowances and discounts [Abstract]
Total net patient service revenue	$ 1,377,000	$ 1,251,000	$ 2,715,000	$ 2,348,000