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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Total
Balance at Dec. 31, 2020 $ 280,273 $ 148 $ (277) $ (270,147) $ 9,997
Balance, shares at Dec. 31, 2020 21,382,290          
Net loss (3,501) (3,501)
Unrealized loss on currency translation adjustment (14) (14)
Issuance of common stock in connection with:              
Stock-based compensation 74 74
Underwriting equity raise, net of offering costs 59,091 59,091
Underwriting equity raise, net of offering costs, shares   24,261,418          
Exercise of common stock warrants 2 2
Exercise of common stock warrants, shares   2,291          
Exercise of cashless common stock warrants
Exercise of cashless common stock warrants, shares   6,250          
Warrants issued in a settlement agreement 74 74
Balance at Jun. 30, 2021 339,514 134 (277) (273,648) 65,723
Balance, shares at Jun. 30, 2021 45,652,249          
Balance at Mar. 31, 2021 339,480 105 (277) (272,814) 66,494
Balance, shares at Mar. 31, 2021 45,652,249          
Net loss (834) (834)
Unrealized loss on currency translation adjustment 29 29
Issuance of common stock in connection with:              
Stock-based compensation 34 40
Balance at Jun. 30, 2021 339,514 134 (277) (273,648) 65,723
Balance, shares at Jun. 30, 2021 45,652,249          
Balance at Dec. 31, 2021 343,746 (297) (277) (286,539) 56,633
Balance, shares at Dec. 31, 2021 45,825,089          
Net loss (5,293) (5,293)
Unrealized loss on currency translation adjustment (1,139) (1,139)
Issuance of common stock in connection with:              
Satisfaction of accounts payable vendor balance 31 31
Satisfaction of accounts payable vendor balance, shares   38,703          
Satisfaction of withholding tax upon conversion of restricted stock units
Satisfaction of withholding tax upon conversion of restricted stock units, shares   357,778          
Satisfaction with the conversion of restricted stock units
Satisfaction with the conversion of restricted stock units, shares   1,159,044          
Stock-based compensation 955 955
Balance at Jun. 30, 2022 344,732 (1,436) (277) (291,832) 51,187
Balance, shares at Jun. 30, 2022 47,380,614          
Balance at Mar. 31, 2022 344,493 (565) (277) (289,306) 54,345
Balance, shares at Mar. 31, 2022 45,825,089          
Net loss (2,526) (2,526)
Unrealized loss on currency translation adjustment (871) (871)
Issuance of common stock in connection with:              
Satisfaction of accounts payable vendor balance 31 31
Satisfaction of accounts payable vendor balance, shares   38,703          
Satisfaction of withholding tax upon conversion of restricted stock units
Satisfaction of withholding tax upon conversion of restricted stock units, shares   357,778          
Satisfaction with the conversion of restricted stock units
Satisfaction with the conversion of restricted stock units, shares   1,159,044          
Stock-based compensation 208 208
Balance at Jun. 30, 2022 $ 344,732 $ (1,436) $ (277) $ (291,832) $ 51,187
Balance, shares at Jun. 30, 2022 47,380,614