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Consolidated Statements of Shareholder's Equity - USD ($)
$ in Thousands
Series A Preferred Shares [Member]
Common Stock [Member]
Additional Paid-In Capital [Member]
 [3]
Treasury Shares [Member]
 [4]
Accumulated Deficit [Member]
 [3]
Total
Temporary Equity [Member]
Balance at Dec. 31, 2017 [1] $ 27 [2] $ 30,569 $ (20,604) $ 9,992 $ 500 [5]
Balance, shares at Dec. 31, 2017 4,001 2,734,300 [2]          
Share-based compensation [2] 1,399 1,399 [5]
Exercise of options [2] [5]
Exercise of options, shares 2,487 [2]          
Common shares classified out of temporary equity [2] 500 500 (500) [5]
Common shares classified out of temporary equity, shares [2]          
Rescission of share purchase agreement [2] (3,375) (3,375) [5]
Shares issued as consideration-vendors $ 1 [2] 73 74 [5]
Shares issued as consideration-vendors, shares 6,738 [2]          
Conversion of preferred A shares to common stock $ 3 [2] (3) [5]
Conversion of preferred A shares to common stock, shares (4,001) 268,818 [2]          
Net loss [2] (7,260) (7,260) [5]
Balance at Dec. 31, 2018 [1] $ 31 [2] 32,538 (3,375) (27,864) 1,330 [5]
Balance, shares at Dec. 31, 2018 3,012,343 [2]          
Share-based compensation [2] 1,099 1,099 [5]
Issuance of common stock and warrants net of issuance costs $ 41 [2] $ 36,317 $ 36,357 [5]
Issuance of common stock and warrants net of issuance costs, shares 4,061,465 [2]          
Cashless exercise of warrants, shares 111,820
Unrealized loss on marketable debt security [2] [5]
Net loss [2] (7,247) (7,247) [5]
Balance at Dec. 31, 2019 [1] $ 72 [2] $ 69,954 $ (3,375) $ (35,111) $ 31,540 [5]
Balance, shares at Dec. 31, 2019 7,185,628 [2]          
[1] Less than 1
[2] Share data as of December 31, 2017 represent the number of shares adjusted to retroactively reflect the 1:15 reverse stock split effected on September 4, 2018. Refer to Note 1 for further information.
[3] Refer to Note 9 for further information
[4] Refer to Note 8 for further information
[5] Includes 721,107 common stock classified as temporary equity as of December 31, 2017.