PROPERTY AND EQUIPMENT (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment	$ 95,180,000	$ 94,901,000
Accumulated depreciation	(43,799,000)	(41,224,000)
Net property and equipment	51,381,000	53,677,000
Medical Equipment and Facilities [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	86,712,000	84,453,000
Accumulated depreciation	26,817,000	18,173,000
Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	749,000	694,000
Deposits and Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	4,719,000	6,754,000
Deposits Towards Purchase of Proton Beam Systems [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 3,000,000	$ 3,000,000