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Subsequent Events - Additional Information (Detail) - USD ($) |  | 6 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 05, 2016 | Jun. 30, 2016 | Aug. 15, 2016 | Jul. 13, 2016
Alpha Capital Anstalt [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument periodic payment |  | Annually |  |
Debt instrument maturity date |  | Dec. 31, 2016 |  |
Subsequent Events [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stockholders ownership after proposed merger |  |  | 5.00% |
Subsequent Events [Member] | Alpha Capital Anstalt [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument interest rate |  |  | 5.00% |
Subsequent Events [Member] | Sunnyvale Facility [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Tangible assets acquired by unrelated company |  |  |  | $ 650,000
Subsequent Events [Member] | Microbot Medical Ltd [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Stockholders ownership after proposed merger |  |  | 95.00% |
Subsequent Events [Member] | BMR-Pacific Research Center LP [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
One-time settlement payment | $ 800,000 |  |  |
Subsequent Events [Member] | 5.0% Secured Note [Member] | Alpha Capital Anstalt [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Debt instrument principal amount |  |  | $ 2,000,000 |

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