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Consolidated Statements of Shareholder's Equity - USD ($) $ in Thousands | Preferred A Shares Microbot Medical Ltd. (Pre - Merger) [Member] | [1] | Preferred A Shares [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Total | Temporary Equity [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2015 |  | $ 87 |  | [1] | $ 9 | [2] | $ 3,212 |  | $ (3,372) | $ (64) |  |
Balance, shares at Dec. 31, 2015 |  | 8,708,132 |  | [1] | 888,188 | [2] |  |  |  |  |  |
Conversion of convertible notes and exercise of warrants issued upon conversion |  | $ 48 |  | [1] |  | [2] | 1,803 |  |  | 1,851 |  |
Conversion of convertible notes and exercise of warrants issued upon conversion, shares |  | 4,746,237 |  | [1] |  | [2] |  |  |  |  |  |
Effect of reverse recapitalization |  | $ (135) |  | [1] | $ 10 | [2] | 597 |  |  | 472 |  |
Effect of reverse recapitalization, shares |  | (13,454,369) |  | [1] | 1,030,957 | [2] |  |  |  |  |  |
Common stock classified as temporary equity |  |  |  | [1] |  | [2] | (500) |  |  | (500) |  | 500
Beneficial Conversion Feature recorded on convertible debt acquired in reverse recapitalization |  |  |  | [1] |  | [2] | 2,029 |  |  | 2,029 |  |
Transaction costs incurred in reverse recapitalization |  |  |  | [1] | $ 5 | [2] | 6,890 |  |  | 6,895 |  |
Transaction costs incurred in reverse recapitalization, shares |  |  |  | [1] | 525,706 | [2] |  |  |  |  |  |
Cancellation of ordinary shares and issuance of preferred shares |  |  |  | [1],[3] | $ (6) | [2] | 6 |  |  |  |  |
Cancellation of ordinary shares and issuance of preferred shares, shares |  |  | 9,736 | [1] | (655,967) | [2] |  |  |  |  |  |
Share based compensation |  |  |  | [1] |  | [2] | 676 |  |  | $ 676 |  |
Exercise of options, shares | [4],[5] |  |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  | [1] |  | [2] |  |  | (9,663) | $ (9,663) |  |
Balance at Dec. 31, 2016 |  |  |  | [1],[3] | $ 18 | [2],[6] | 14,713 |  | (13,035) | 1,696 |  | 500
Balance, shares at Dec. 31, 2016 |  |  | 9,736 | [1] | 1,788,884 | [2],[6],[7] |  |  |  |  |  |
Share based compensation |  |  |  | [1] |  | [2],[3],[6] | 479 |  |  | 479 |  |
Share based compensation, shares |  |  |  | [1] | 8,085 | [2],[6] |  |  |  |  |  |
Issuance of common stock |  |  |  | [1] | $ 3 | [2],[6] | 12,699 |  |  | 12,702 |  |
Issuance of common stock, shares |  |  |  | [1] | 299,815 | [2],[6] |  |  |  |  |  |
Exercise of options |  |  |  | [1] |  | [2],[3],[6] |  | [3] |  |  |  |
Exercise of options, shares |  |  |  | [1] | 31,787 | [2],[6] |  |  |  | 31,453 | [4],[5] |
Cashless exercise of warrants |  |  |  | [1] |  | [2],[3],[6] |  |  |  |  |  |
Cashless exercise of warrants, shares |  |  |  | [1] | 24 | [2],[6] |  |  |  |  |  |
Extinguishment of convertible notes and issuance of preferred A shares |  |  |  | [1],[3] |  | [2],[6] | 2,676 |  |  | 2,676 |  |
Extinguishment of convertible notes and issuance of preferred A shares, shares |  |  | 3,255 | [1] |  | [2],[6] |  |  |  |  |  |
Conversion of preferred A shares to common stock |  |  |  | [1],[3] | $ 6 | [2],[6] | (6) |  |  |  |  |
Conversion of preferred A shares to common stock, shares |  |  | (8,990) | [1] | 605,705 | [2],[6] |  |  |  |  |  |
Net loss |  |  |  | [1] |  | [2],[6] |  |  | (7,589) | (7,589) |  |
Balance at Dec. 31, 2017 |  |  |  | [1],[3] | $ 27 | [2],[6] | 30,561 |  | (20,624) | 9,964 |  | 500
Balance, shares at Dec. 31, 2017 |  |  | 4,001 | [1] | 2,734,300 | [2],[6],[7] |  |  |  |  |  |
Share based compensation |  |  |  |  |  | [6] | 822 |  |  | $ 822 |  |
Share based compensation, shares |  |  |  |  |  | [6] |  |  |  |  |  |
Issuance of common stock, shares |  |  |  |  |  |  |  |  |  |  |  |
Exercise of options |  |  |  |  |  | [6] |  |  |  |  |  |
Exercise of options, shares |  |  |  |  | 2,487 | [6] |  |  |  | 2,487 | [5] |
Conversion of preferred A shares to common stock |  |  |  | [3] | $ 2 | [6] | (2) |  |  |  |  |
Conversion of preferred A shares to common stock, shares |  |  | (3,000) |  | 202,151 | [6] |  |  |  |  |  |
Shares issued as consideration-vendor |  |  |  |  | $ 1 | [6] | 73 |  |  | 74 |  |
Shares issued as consideration-vendor, shares |  |  |  |  | 6,738 | [6] |  |  |  |  |  |
Net loss |  |  |  |  |  | [6] |  |  | (3,362) | (3,362) |  |
Balance at Jun. 30, 2018 |  |  |  | [3] | $ 30 | [6] | $ 31,454 |  | $ (23,986) | $ 7,498 |  | $ 500
Balance, shares at Jun. 30, 2018 |  |  | 1,001 |  | 2,945,676 | [6],[7] |  |  |  |  |  |
[1] | Share data for periods prior to the reverse recapitalization represents the legal equity structure of Microbot Ltd. with the number of shares adjusted to retroactively reflect the one-to-nine Reverse Stock Split effected on November 28, 2016 as well as the reverse recapitalization consummated on November 28, 2016.
[2] | December 31 2017, 2016 and 2015 share data represent the number of shares adjusted to retroactively reflect the 1:15 reverse Stock Split effected on September 4, 2018, as discussed in Note 1.
[3] | Less than 1
[4] | December 31 2017 and 2016 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.
[5] | Share data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.
[6] | 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.
[7] | Includes 721,107 common stock classified as temporary equity.

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