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Consolidated Statements of Shareholder's Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Treasury Shares [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2018 $ 31 $ 32,538 $ (3,375) $ (27,864) $ 1,330
Balance, shares at Dec. 31, 2018 3,012,343        
Issuance of common stock and warrants net of issuance costs $ 40 36,317 36,357
Issuance of common stock and warrants net of issuance costs, shares 4,061,465        
Share-based compensation 1,099 1,099
Cashless exercise of warrants $ 1 $ 1
Cashless exercise of warrants, shares 111,820
Exercise of options, shares        
Net loss $ (7,247) $ (7,247)
Balance at Dec. 31, 2019 $ 72 69,954 (3,375) (35,111) 31,540
Balance, shares at Dec. 31, 2019 7,185,628        
Share-based compensation 1,937 1,937
Exercise of options $ 1 $ (1)
Exercise of options, shares 5,838  
Cancellation of treasury shares $ (1) $ (3,374) $ 3,375
Cancellation of treasury shares, shares (83,333)
Net loss $ (9,169) $ (9,169)
Balance at Dec. 31, 2020 $ 72 $ 68,516 $ (44,280) $ 24,308
Balance, shares at Dec. 31, 2020 7,108,133