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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)

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