Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Operations [Abstract]
Revenue	$ 1,956,000	$ 2,060,000	$ 1,916,000
Costs and expenses:
Patient expenses	675,000	884,000	603,000
Selling, general and administrative	1,034,000	947,000	979,000
Total Costs and Expenses	1,709,000	1,831,000	1,582,000
Operating income	247,000	229,000	334,000
Interest expense	(199,000)	(177,000)	(359,000)
Interest income	29,000	12,000	5,000
Gain from sales of investments in unconsolidated entities	24,000	0	0
Income (loss) from investment in unconsolidated entities	60,000	26,000	(40,000)
Gain on disposal of gamma knife	930,000	0	0
Income (loss) from continuing operations before income taxes	1,091,000	90,000	(60,000)
Provision for income tax expense	(362,000)	0	0
Income (loss) from continuing operations	729,000	90,000	(60,000)
Discontinued operations
Impairment loss	0	(89,000)	0
Gain from operations of Kansas City Gamma Knife Center	0	28,000	70,000
Revenue from litigation activity	0	0	459,000
Total Discontinued operations	0	(61,000)	529,000
Net income	$ 729,000	$ 29,000	$ 469,000
Basic and diluted net income per share (in dollars per share)	$ 0.09	$ 0.00	$ 0.06
Net income (loss) per common share from continuing operations - basic and diluted (in dollars per share)	$ 0.09	$ 0.01	$ (0.01)
Net income (loss) per common share from discontinued operations - basic and diluted (in dollars per share)	$ 0.00	$ (0.01)	$ 0.07
Weighted average common shares outstanding (in shares)	7,797,185	7,751,432	7,747,185