INVESTMENT IN EQUITY SECURITIES (Details Textual) - USD ($)	1 Months Ended	3 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Aug. 04, 2015
Schedule of Cost-method Investments [Line Items]
Equity Method Investments		$ 579,000	$ 579,000	$ 2,709,000
Equity Method Investment, Ownership Percentage						0.46%
Other than Temporary Impairment Losses, Investments	$ 2,114,000		2,140,000	$ 0	$ 0
Valuation Allowance			0
Equity Method Investment, Other than Temporary Impairment		26,000
Mevion Medical Systems Inc [Member]
Schedule of Cost-method Investments [Line Items]
Investments, Fair Value Disclosure		$ 579,000	579,000
Other than Temporary Impairment Losses, Investments			$ 2,140,000
Investor [Member]
Schedule of Cost-method Investments [Line Items]
Equity Method Investments						$ 200,000,000