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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
November 2019 Offering
At-the-Market Program
March 2020 Offering
October 2020 Private Placement
Common Stock $0.001 par value
Common Stock $0.001 par value
November 2019 Offering
Common Stock $0.001 par value
At-the-Market Program
Common Stock $0.001 par value
March 2020 Offering
Common Stock $0.001 par value
October 2020 Private Placement
Additional Paid-In Capital
Additional Paid-In Capital
November 2019 Offering
Additional Paid-In Capital
At-the-Market Program
Additional Paid-In Capital
March 2020 Offering
Additional Paid-In Capital
October 2020 Private Placement
Accumulated Deficit
Accumulated Other Comprehensive Loss
Beginning Balance at Dec. 31, 2018 $ 9,854         $ 1         $ 105,436         $ (94,992) $ (591)
Beginning Balance, Shares at Dec. 31, 2018           737,938                      
Proceeds from the issuance of common stock   $ 1,685                   $ 1,685          
Proceeds from the issuance of common stock, Shares             137,571                    
Share issuance costs   $ (553)                   $ (553)          
Proceeds from exercise of stock options and warrants 215                   215            
Proceeds from exercise of stock options and warrants, Shares           2,136                      
Settlement of vested restricted stock units, net of taxes, Shares           27                      
Reclassification of derivative financial instruments from exercise of warrants 35                   35            
Stock-based compensation 4,691                   4,691            
Foreign currency translation adjustments (311)                               (311)
Net loss (9,781)                             (9,781)  
Ending Balance at Dec. 31, 2019 5,835         $ 1         111,509         (104,773) (902)
Ending Balance, Shares at Dec. 31, 2019           877,672                      
Proceeds from the issuance of common stock     $ 5,043 $ 1,348 $ 2,791               $ 5,043 $ 1,348 $ 2,791    
Proceeds from the issuance of common stock, Shares               232,526 178,776 187,646              
Warrant issued       $ 842 $ 629                 $ 842 $ 629    
Share issuance costs (819)                   (819)            
Settlement of vested restricted stock units, net of taxes, Shares           7,792                      
Reverse stock split rounddown           (50)                      
Stock-based compensation 2,529                   2,529            
Foreign currency translation adjustments (197)                               (197)
Net loss (14,130)                             (14,130)  
Ending Balance at Dec. 31, 2020 $ 3,871         $ 1         $ 123,872         $ (118,903) $ (1,099)
Ending Balance, Shares at Dec. 31, 2020           1,484,362