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RELATED PARTY TRANSACTIONS (Details Textual) - USD ($)
12 Months Ended
Jun. 12, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Oct. 31, 2014
Related Party Transaction [Line Items]          
Common Stock, Shares, Issued   5,468,000 5,364,000    
Proceeds from Issuance of Private Placement $ 1,600,000 $ 0 $ 0 $ 1,800,000  
Note and Warrant Purchase Agreement [Member]          
Related Party Transaction [Line Items]          
Debt Instrument, Face Amount   $ 1,000,000     $ 1,000,000
Common Stock, Shares, Issued   200,000     200,000
Private Placement [Member]          
Related Party Transaction [Line Items]          
Stock Issued During Period, Shares, New Issues 650,000        
Sale of Stock, Number of Shares Issued in Transaction   100,000      
Proceeds from Issuance of Private Placement   $ 220,000      
GKF Subsidiary [Member]          
Related Party Transaction [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent   81.00%      
Equity Method Investment, Ownership Percentage   70.00%      
U.S. Subsidiary Of Elekta [Member]          
Related Party Transaction [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent   19.00%      
EWRS LLC [Member]          
Related Party Transaction [Line Items]          
Equity Method Investment, Ownership Percentage   70.00%      
EMKA [Member]          
Related Party Transaction [Line Items]          
Equity Method Investment, Ownership Percentage   30.00%      
Mevion Medical Systems Inc [Member]          
Related Party Transaction [Line Items]          
Investments, Fair Value Disclosure   $ 579,000      
Deposit Assets, Total   $ 2,000,000