Agreement With New York University on Behalf of New York University Medical Center (NYU) (Details) (USD $)	0 Months Ended		3 Months Ended	12 Months Ended
	Oct. 31, 2012	Nov. 30, 1996	Mar. 31, 2009	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2009	Dec. 31, 2008
Agreement With New York University on Behalf of New York University Medical Center (NYU) [Abstract]
Term of equipment agreement with NYC		7 years
Option to extend agreement term		3 years
Patient revenue derived from the NYC				$ 2,607,000	$ 0
Extension of agreement							12 years
Cost of new equipment installed					2,880,000	3,742,000	3,742,000
Equipment financed term			7 years			7 years	7 years
Emergency removal cost	525,000				525,000
Insurance coverage	930,000
First lease term				6 years
Commitment for lease financing for replacement equipment and restoration				4,700,000
First payment due				78,000
Interest on lease				18,000
Second lease term				2 years
Lease amount for cost of construction				250,000
First lease payment due for the cost of construction				$ 12,000