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PROPERTY AND EQUIPMENT (Details Textual) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 41,224,000 $ 35,336,000
Long-term Purchase Commitment Deposits for Future Purchase 3,000,000  
Medical Equipment and Facilities [Member]
    
Capital Leased Assets, Gross 41,306,000 41,306,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 18,173,000 15,122,000
Radiation Oncology Physician Group [Member]
    
Long-term Purchase Commitment Deposits for Future Purchase 400,000  
Three Mevion S250 Proton Beam Radiation Therapy [Member]
    
Long-term Purchase Commitment Deposits for Future Purchase $ 1,000,000