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PROPERTY AND EQUIPMENT (Details Textual) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
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Property, Plant and Equipment [Line Items] |  |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | $ 53,549,000 | $ 47,661,000
Property, Plant and Equipment, Net, Total | 51,331,000 | 47,123,000
Construction in Progress, Gross | 6,073,000 |
Medical Equipment and Facilities [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Capital Leased Assets, Gross | 43,703,000 | 31,025,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | 16,642,000 | $ 13,417,000
Radiation Oncology Physician Group [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Long Term Purchase Commitment Deposits For Assets | 400,000 |
Three Mevion S250 Proton Beam Radiation Therapy [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Long Term Purchase Commitment Deposits For Assets | 2,000,000 |
Gamma Knife Units [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Property, Plant and Equipment, Net, Total | 1,483,000 |
Peru Unit [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Construction in Progress, Gross | $ 3,500,000 |

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