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NOTE, WARRANT, & COMMON STOCK PURCHASE AGREEMENT WITH RELATED PARTIES (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Oct. 31, 2014
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |  |  |
Common Stock, Shares, Issued | 5,714,000 | 5,710,000 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  | $ 2.20 |
Gain (Loss) on Extinguishment of Debt | $ 0 | $ 0 | $ (108,000) |
Class of Warrant or Right, Exercised | 100,000 | 100,000 | 100,000 |
Class of Warrant or Right, Outstanding |  |  | 100,000 |
Notes Payable [Member] |  |  |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |  |  |
Warrants Not Settleable in Cash, Fair Value Disclosure |  |  | $ 145,000 |
Gain (Loss) on Extinguishment of Debt |  |  | 108,000 |
Debt Instrument, Unamortized Discount |  |  | 80,000 |
Deferred Fees From Issuance Of Note |  |  | $ 28,000 |
Private Placement [Member] |  |  |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |  |  |
Sale of Stock, Number of Shares Issued in Transaction | 100,000 |  |  |
Proceeds from Issuance of Private Placement | $ 220,000 |  |  |
Common Stock, Value, Subscriptions | 1,220,000 |  |  |
Note and Warrant Purchase Agreement [Member] |  |  |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 1,000,000
Common Stock, Shares, Issued |  |  |  | 200,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 15.00%
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  | $ 2.20
Mevion Medical Systems Inc [Member] |  |  |  |
Note, Warrant And Common Stock Purchase Agreement [Line Items] |  |  |  |
Cash Payments | $ 1,000,000 |  |  |

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