COMMITMENTS AND CONTINGENCIES (Details)	Dec. 31, 2016 USD ($)
Long-term Purchase Commitment [Line Items]
2017	$ 3,160,000
Thereafter	25,800,000
Total	28,960,000
Proton Beam Unit [Member]
Long-term Purchase Commitment [Line Items]
2017	0
Thereafter	25,800,000
Total	25,800,000
Gamma Knife Units [Member]
Long-term Purchase Commitment [Line Items]
2017	3,160,000
Thereafter	0
Total	$ 3,160,000

Minimum amount of other commitment maturing in the next fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitmentDueInNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant