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COMMITMENTS AND CONTINGENCIES (Details Textual) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 20, 2018
Jul. 21, 2017
Dec. 31, 2018
Aug. 06, 2018
Commitments And Contingencies [Line Items]        
Long-term Purchase Commitment, Period   5 years 9 years  
Purchase Agreement Annual Prepayment       $ 1,285,000
Gamma Knife Perfexion System [Member]        
Commitments And Contingencies [Line Items]        
Long-term Purchase Commitment, Amount     $ 4,235,000  
LINAC system [Member]        
Commitments And Contingencies [Line Items]        
Long-term Purchase Commitment, Amount     7,523,000  
Mevion Medical Systems Inc [Member]        
Commitments And Contingencies [Line Items]        
Long-term Purchase Commitment, Amount     34,000,000  
Long-term Purchase Commitment, Deposits for Future Purchase     $ 2,250,000  
Increase decrease Annual Service Fees $ 250,000