Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Consolidated Statements of Operations [Abstract]
Revenue (Notes C and D)	$ 2,060,000	$ 1,916,000	$ 1,472,000
Costs and expenses:
Patient expenses	884,000	603,000	411,000
Selling, general and administrative	947,000	979,000	878,000
Total Costs and Expenses	1,831,000	1,582,000	1,289,000
Income from operations	229,000	334,000	183,000
Interest expense	(177,000)	(359,000)	(291,000)
Interest income	12,000	5,000	5,000
Income (loss) from investment in unconsolidated entities	26,000	(40,000)	0
Income (loss) from continuing operations	90,000	(60,000)	(103,000)
Discontinued operations
Impairment loss	(89,000)	0	0
Gain from operations of Kansas City Gamma Knife Center	28,000	70,000	175,000
Revenue from litigation activity	0	459,000	0
Total Discontinued operations	(61,000)	529,000	175,000
Income before income taxes	29,000	469,000	72,000
Provision for income tax expense	0	0	0
Net income	$ 29,000	$ 469,000	$ 72,000
Basic and diluted net income per share (in dollars per share)	$ 0.00	$ 0.06	$ 0.01
Net income (loss) per common share from continuing operations - basic and diluted (in dollars per share)	$ 0.01	$ (0.01)	$ (0.01)
Net income (loss) per common share from discontinued operations - basic and diluted (in dollars per share)	$ (0.01)	$ 0.07	$ 0.02
Weighted average common shares outstanding (in shares)	7,751,432	7,747,185	7,747,185