Broward Oncology Partners (Details) (USD $)			3 Months Ended	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Broward Oncology Partners, LLC [Member]	Jun. 30, 2013 Broward Oncology Partners, LLC [Member]	Jan. 31, 2013 Broward Oncology Partners, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated entities	$ 308,000	$ 246,000	$ 46,000	$ 46,000	$ 50,000
Ownership percentage (in hundredths)			12.50%	12.50%
Revenues				78,000
Net (loss)			(4,000)	(82,000)
Recorded investments	$ 308,000	$ 246,000	$ 46,000	$ 46,000	$ 50,000