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CONSOLIDATED STATEMENTS OF STOCKHOLDERS DEFICIT (Unaudited) - USD ($)
Total
Series B Preferred Stock
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Loss
Balance, Shares at Dec. 31, 2020   1,323,000 22,830,000      
Balance, Amount at Dec. 31, 2020 $ (184,744,000) $ 1,000 $ 23,000 $ 93,426,000 $ (274,080,000) $ (4,114,000)
Issuance Of Common Stock, Shares     5,682,000      
Issuance Of Common Stock, Amount 62,395,000 0 $ 6,000 62,389,000 0 0
Stock Options Exercised, Shares     1,226,000      
Stock Options Exercised, Amount 1,003,000 0 $ 1,000 1,002,000 0 0
Stock-based Compensation 835,000 0 $ 0 835,000 0 0
Issuance And Exercise Of Warrants, Shares     113,000      
Issuance And Exercise Of Warrants, Amount 281,000 0 $ 0 281,000 0 0
Foreign Currency Translation Loss (25,000) 0 0 0 0 (25,000)
Net Loss (18,112,000) $ 0 $ 0 0 (18,112,000) 0
Balance, Shares at Mar. 31, 2021   1,323,000 29,851,000      
Balance, Amount at Mar. 31, 2021 (138,367,000) $ 1,000 $ 30,000 157,933,000 (292,192,000) (4,139,000)
Balance, Shares at Dec. 31, 2021   1,275,000 33,461,000      
Balance, Amount at Dec. 31, 2021 (120,238,000) $ 1,000 $ 33,000 205,305,000 (321,227,000) (4,350,000)
Issuance Of Common Stock, Shares     341,000      
Issuance Of Common Stock, Amount 3,349,000 $ 0 $ 1,000 3,348,000 0 0
Stock Options Exercised, Shares     263,000      
Stock Options Exercised, Amount 196,000     196,000    
Stock-based Compensation 2,040,000     2,040,000    
Issuance And Exercise Of Warrants, Shares     113,000      
Issuance And Exercise Of Warrants, Amount 4,550,000     4,550,000    
Foreign Currency Translation Loss (194,000)         (194,000)
Net Loss (18,294,000)       (18,294,000)  
Series B Conversion To Common Stock, Shares   (5,000) 1,000      
Series B Conversion To Common Stock, Amount   $ 0 $ 0 0    
Balance, Shares at Mar. 31, 2022   1,270,000 34,179,000      
Balance, Amount at Mar. 31, 2022 $ (128,591,000) $ 1,000 $ 34,000 $ 215,439,000 $ (339,521,000) $ (4,544,000)