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Share Capital (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 13, 2018 | May 24, 2018 | Apr. 10, 2018 | Feb. 28, 2018 | Dec. 28, 2017 | Dec. 06, 2017 | Sep. 14, 2017 | Jun. 05, 2017 | May 09, 2017 | Jan. 05, 2017 | Dec. 27, 2016 | Dec. 16, 2016 | May 02, 2016 | Nov. 30, 2017 | May 31, 2017 | Sep. 30, 2014 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2018 | Mar. 31, 2017 | Nov. 28, 2016 | Oct. 08, 2015
Preferred stock, par value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  | $ 0.01 |  |  |  |  |
Authorized capital stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 221,000,000 |  | 221,000,000 |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 220,000,000 |  | 220,000,000 |  | 220,000,000 |  |  |  |  |
Ordinary shares, par value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  | $ 0.01 |  |  |  |  |
Preferred stock, shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  | 1,000,000 |  | 1,000,000 |  |  |  |  |
Common stock, shares issued, including temporary equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,837,863 |  |  |
Common stock, shares outstanding, including temporary equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,837,863 |  |  |
Preferred stock, shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 550 |  | 4,001 |  | 9,736 |  |  |  |  |
Preferred stock, shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 550 |  | 4,001 |  | 9,736 |  |  |  |  |
Proceeds from issuance of shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,704 | $ 12,702 |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000 |  | 272,090 | [1] | 96,482 | [1] |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9 |  | $ 16.5 | [1] |  | [1] |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,139 | 196 | $ 254 |  | $ 675 |  |  |  |  |
Number of option exercised | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued during period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of convertible note |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,364 | 2,364 |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  | $ 500 |  |  |  |  |  |  |
Fair market value percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% |  | 25.00% |  |  |  |  |  |  |
Temporary equity value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500 |  | $ 500 |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000 |
Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 220,000,000 |
General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 253 |  | 676 |  |  |  |  |
Number of shares issued for services, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,258 |  |  |  |  |
Microbot Israel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan bears interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00%
Microbot Israel [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 675 |  | 675 |  |  |  |  |  |  |
CardioSert Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares issued for acquisition |  |  | 6,738 | 6,738 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CardioSert Ltd [Member] | Research and Development Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  | $ 74 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alpha Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rights to acquire shares of common stock |  |  |  |  |  |  |  |  |  |  |  |  | 655,967 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Designated preferred stock |  |  |  |  |  |  |  |  |  |  |  |  | 9,736 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued during period |  |  |  |  |  |  |  |  |  |  |  |  | 655,967 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued and outstanding reduced during the period |  |  |  |  |  |  |  |  |  |  |  |  | 1,786,684 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchaser [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock shares sold during the period |  |  |  |  |  |  |  |  |  |  | 47,163 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock price per share |  |  |  |  |  |  |  |  |  |  | $ 74 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of shares |  |  |  |  |  |  |  |  |  |  | $ 3,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Placement agent fee |  |  |  |  |  |  |  |  |  |  | $ 210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock shares sold during the period |  |  |  |  |  |  |  |  | 252,658 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock price per share |  |  |  |  |  |  |  |  | $ 40 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of shares |  |  |  |  |  |  |  |  | $ 10,125 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Placement agent fee |  |  |  |  |  |  |  |  | $ 922 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Board of Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  | 66,036 | 12,698 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  | $ 15.3 | $ 15.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vested term |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Board of Directors [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55 | 0 | 5 |  |  |  |  |  |  |
Board of Directors [Member] | NIS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |
Board of Directors [Member] | Microbot Israel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,333 |  |  | 26,906 |  |  |  |  |  |  |  |  |  |
Number of stock option granted as adjustment of reflect merger |  |  |  |  |  |  |  |  |  |  |  |  |  | 96,482 |  |  | 77,846 |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20.25 |  |  | $ 12 |  |  |  |  |  |  |  |  |  |
Stock option merger retroactively adjusted exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.05 |  |  | $ 4.2 |  |  |  |  |  |  |  |  |  |
Harel Gadot [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  | 120,848 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  | $ 15.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Harel Gadot [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vested term |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Harel Gadot [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vested term |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Harel Gadot [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 460 | 0 | 156 |  |  |  |  |  |  |
Hezi Himelfarb [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  | 72,508 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  | $ 19.35 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vested term |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hezi Himelfarb [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 329 | 0 | $ 92 |  |  |  |  |  |  |
Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  | 66,036 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  | $ 15.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vested term |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of option exercised |  |  |  |  | 2,487 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employees [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 273 | 0 |  |  |  |  |  |  |  |
Employees and Consultant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of option exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31,453 |  |  |  |  |  |  |  |  |  |  |  |
Employees and Consultant [Member] | NIS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares, par value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |  |
Mr. Simon Sharon [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  | 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  | $ 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option vested term |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mr. Simon Sharon [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 22 | $ 0 |  |  |  |  |  |  |  |
Advisors [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19.2 |  | $ 19.2 |  |  |  |  |  |  |
Number of shares issued for services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 525,706 |  | 525,706 |  |  |  |  |  |  |
Number of shares issued for services, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |  | $ 10,000 |  |  |  |  |  |  |
Advisors [Member] | General and Administrative Expense [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,300 |  | 7,300 |  |  |  |  |  |  |
Consultant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based employee compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 225 |  |  |  |  |  |  |
Number of shares issued for services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,085 |  |  |  |  |  |  |
Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cashless exercise warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 52 |  |
Series A Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock into shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,451 |  | 8,990 |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,001 |  |  |  | 2,464 |  |  |
Preferred stock, shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,001 |  |  |  | 2,464 |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock into shares | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 232,151 |  | 605,705 |  |  |  |  |  |  |
Rights to acquire shares of common stock |  |  |  |  |  |  |  |  |  |  |  | 655,962 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of option exercised | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,487 |  | 31,787 |  |  |  |  |  |  |
Number of shares issued during period | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 299,815 |  |  |  |  |  |  |
Common Stock [Member] | Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  | 12,698 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  | 66,036 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued, including temporary equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42,120,127 |  |  |
Common stock, shares outstanding, including temporary equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 42,120,127 |  |  |
Before Reverse Split [Member] | CardioSert Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares issued for acquisition |  |  | 100,000 | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Alpha Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rights to acquire shares of common stock |  |  |  |  |  |  |  |  |  |  |  |  | 9,736,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued during period |  |  |  |  |  |  |  |  |  |  |  |  | 9,735,925 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued and outstanding reduced during the period |  |  |  |  |  |  |  |  |  |  |  |  | 26,518,315 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Purchaser [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock shares sold during the period |  |  |  |  |  |  |  |  |  |  | 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock price per share |  |  |  |  |  |  |  |  |  |  | $ 5.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Investor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock shares sold during the period |  |  |  |  |  |  |  |  | 3,750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock price per share |  |  |  |  |  |  |  |  | $ 2.70 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Board of Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  | 990,543 | 190,475 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  | $ 1.02 | $ 1.05 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Board of Directors [Member] | Microbot Israel [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  | 403,592 |  |  |  |  |  |  |  |  |  |
Number of stock option granted as adjustment of reflect merger |  |  |  |  |  |  |  |  |  |  |  |  |  | 96,482 |  |  | 77,846 |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.35 |  |  | $ 0.8 |  |  |  |  |  |  |  |  |  |
Stock option merger retroactively adjusted exercise price per share |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.05 |  |  | $ 4.2 |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Harel Gadot [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  | 1,812,712 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  | $ 1.05 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Hezi Himelfarb [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  |  |  | 1,087,627 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  |  |  | $ 1.29 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  |  |  |  |  | 990,543 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  |  |  |  |  | $ 1.02 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of option exercised |  |  |  |  | 37,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Employees and Consultant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of option exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 471,794 |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Mr. Simon Sharon [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options granted |  | 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average exercise price per share, granted |  | $ 0.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Before Reverse Split [Member] | Advisors [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.28 |  | $ 1.28 |  |  |  |  |  |  |
Number of shares issued for services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,802,639 |  | 7,802,639 |  |  |  |  |  |  |
Before Reverse Split [Member] | Consultant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued for services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,000 |  |  |  |  |  |  |
Before Reverse Split [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cashless exercise warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 768 |  |
Before Reverse Split [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock into shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,990,000 |  |  |  |  |  |  |
Rights to acquire shares of common stock |  |  |  |  |  |  |  |  |  |  |  | 9,735,925 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  | $ 0.01 |  |  |  |  |
Conversion of stock into shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 67 |  | 232,151 |  | 8,990 |  | 67 |  |  |  |  |
Designated preferred stock |  |  |  |  |  |  |  |  |  |  |  | 9,736 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] | Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan bears interest rate |  |  |  |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt maturity date |  |  |  |  |  |  |  |  |  | Nov. 28, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument face amount |  |  |  |  |  |  |  |  |  | $ 2,029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] | Alpha Capital [Member] | Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued during period |  |  |  |  |  |  |  |  |  | 3,254 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of convertible note |  |  |  |  |  |  |  |  |  | $ 2,360 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Convertible Preferred Stock [Member] | Before Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock into shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  | 3,445,266 |  |  |  | 1,000 |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cashless exercise warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 |  |
Common Stock [Member] | Before Reverse Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cashless exercise warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 359 |  |
[1] | December 31, 2017 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.
[2] | December 31 2017 and 2016 share data represents the number of shares adjusted to retroactively reflect the 1:15 reverse Stock Split effected on September 4, 2018, as discussed in Note 1.

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