COMMITMENTS AND CONTINGENCIES (Details) |
Dec. 31, 2017
USD ($)
|
---|---|
Long-term Purchase Commitment [Line Items] | |
2018 | $ 1,500,000 |
Thereafter | 25,800,000 |
Total | 27,300,000 |
Proton Beam Unit [Member] | |
Long-term Purchase Commitment [Line Items] | |
2018 | 0 |
Thereafter | 25,800,000 |
Total | 25,800,000 |
Gamma Knife Units [Member] | |
Long-term Purchase Commitment [Line Items] | |
2018 | 1,500,000 |
Thereafter | 0 |
Total | $ 1,500,000 |