Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements Of Redeemable Preferred Stock and Stockholders' Equity (Unaudited)

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Consolidated Statements Of Redeemable Preferred Stock and Stockholders' Equity (Unaudited) - USD ($)
Total
Series F Convertible Preferred Stock
Series G Redeemable Preferred Stock
Common Stock
Additional Paid-in Capital
Convertible Preferred Stock
Series F Convertible Preferred Stock
Accumulated Other Comprehensive Loss
Accumulated Deficit
Mezzanine Equity
Series G Redeemable Preferred Stock
Beginning balance at Dec. 31, 2020 $ 10,028,000     $ 98,000 $ 261,573,000   $ (385,000) $ (251,376,000)  
Beginning balance at Dec. 31, 2020           $ 118,000      
Balance (in shares) at Dec. 31, 2020       3,908,000          
Conversion of Series F Convertible Preferred Stock       $ 2,000 612,000 (614,000)      
Conversion of Series F Convertible Preferred Stock, shares       61,000          
Sale of common stock 13,292,000     $ 14,000 13,278,000        
Sale of common stock, shares       560,000          
Issuance of common stock for settlement of liability 510,000       510,000        
Issuance of common stock for settlement of liability, Shares       20,000          
Deemed dividend on Series F Convertible Preferred Stock 532,000       (532,000) 532,000      
Stock-based compensation 1,695,000       1,695,000        
Exercise of common stock warrants 15,040,000     $ 35,000 15,005,000        
Exercise of common stock warrants, shares       1,427,000          
Net loss (6,901,000)             (6,901,000)  
Foreign currency translation adjustments (148,000)           (148,000)    
Ending balance at Mar. 31, 2021 33,516,000     $ 149,000 292,141,000   (533,000) (258,277,000)  
Ending Balance at Mar. 31, 2021           36,000      
Ending Balance (in shares) at Mar. 31, 2021       5,977,000          
Beginning balance at Dec. 31, 2021 25,208,000     $ 154,000 293,177,000   (623,000) (267,534,000)  
Beginning balance at Dec. 31, 2021         $ 34,000     $ 0
Beginning balance, shares at Dec. 31, 2021     154,000     0     0
Balance (in shares) at Dec. 31, 2021 6,174,000     6,149,000          
Issuance of Series G Redeemable Preferred Stock, shares                 154,000
Conversion of Series F Convertible Preferred Stock       $ 1,000 250,000 $ (251,000)      
Conversion of Series F Convertible Preferred Stock, shares       25,000          
Deemed dividend on Series F Convertible Preferred Stock $ 217,000       (217,000) 217,000      
Stock-based compensation 209,000       209,000        
Issuance of stock from RSUs, net, shares       2,000          
Net loss (4,776,000)             (4,776,000)  
Foreign currency translation adjustments (41,000)           (41,000)    
Ending balance at Mar. 31, 2022 20,600,000     $ 155,000 $ 293,419,000   $ (664,000) $ (272,310,000)  
Ending Balance at Mar. 31, 2022         $ 0     $ 0
Ending Balance (in shares) at Mar. 31, 2022 6,176,000     6,176,000          
Ending balance, shares at Mar. 31, 2022   0 154,000     0     154,000