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Basis of Presentation (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 29, 2016	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Basis Of Presentation [Line Items]
Gain (Loss) on Extinguishment of Debt		$ 0	$ (108,000)
Warrants Issued With cashless exercise during period		25,000
Class of Warrant or Right, Outstanding				100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 2.20
Stock Issued During Period, Shares, Warrants Exercised		100,000
Notes Payable [Member]
Basis Of Presentation [Line Items]
Gain (Loss) on Extinguishment of Debt				$ 108,000
Warrants Not Settleable in Cash, Fair Value Disclosure				145,000
Debt Instrument, Unamortized Discount				80,000
Deferred Fees From Issuance Of Note				$ 28,000
Warrants Issued With cashless exercise during period		50,000
OR21 LLC [Member]
Basis Of Presentation [Line Items]
Equity Method Investment, Ownership Percentage		50.00%
Architectural Design Company [Member]
Basis Of Presentation [Line Items]
Equity Method Investment, Ownership Percentage		50.00%
Mevion Medical Systems Inc [Member]
Basis Of Presentation [Line Items]
Repayments of Notes Payable	$ 1,000,000

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