Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Preferred shares
Common shares
Additional paid-in capital
Accumulated other comprehensive loss
Accumulated deficit
Balance at beginning of period (shares) at Dec. 31, 2018   3 54,151      
Balance at beginning of period at Dec. 31, 2018 $ 39,935 $ 0 $ 54 $ 189,929 $ (2,982) $ (147,066)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (10,348)         (10,348)
Foreign currency translation adjustment 686       686  
Unrealized gain on investments 240       240  
Stock based compensation expense 1,290     1,290    
Preferred stock conversion (shares)   5 (5,000)      
Preferred stock conversion (Series B) 0 $ 0 $ (5) 5    
Balance at end of period (shares) at Mar. 31, 2019   8 49,151      
Balance at end of period at Mar. 31, 2019 30,162 $ 0 $ 49 191,224 (2,056) (159,055)
Balance at beginning of period (shares) at Dec. 31, 2019   11 55,212      
Balance at beginning of period at Dec. 31, 2019 51,352 $ 0 $ 55 227,468 (1,995) (174,176)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net loss (3,597)         (3,597)
Foreign currency translation adjustment 652       652  
Unrealized gain on investments 116       116  
Stock based compensation expense 1,283     1,283    
Balance at end of period (shares) at Mar. 31, 2020   11 55,212      
Balance at end of period at Mar. 31, 2020 $ 49,806 $ 0 $ 55 $ 228,751 $ (1,227) $ (177,773)