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CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive (Loss) Income
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020   70,679,190      
Beginning balance at Dec. 31, 2020 $ 296,605 $ 7 $ 470,498 $ (5,010) $ (168,890)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (13,587)       (13,587)
Issuance of common stock to directors (in shares)   960      
Vesting of restricted stock units (in shares)   56,326      
Exercise of stock options (in shares)   88,269      
Exercise of stock options 625   625    
Stock-based compensation expense 7,894   7,894    
Other comprehensive income (loss) 4,023     4,023  
Ending balance (in shares) at Mar. 31, 2021   70,824,745      
Ending balance at Mar. 31, 2021 295,560 $ 7 479,017 (987) (182,477)
Beginning balance (in shares) at Dec. 31, 2020   70,679,190      
Beginning balance at Dec. 31, 2020 296,605 $ 7 470,498 (5,010) (168,890)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (37,412)        
Ending balance (in shares) at Jun. 30, 2021   71,080,595      
Ending balance at Jun. 30, 2021 276,346 $ 7 485,079 (2,438) (206,302)
Beginning balance (in shares) at Mar. 31, 2021   70,824,745      
Beginning balance at Mar. 31, 2021 295,560 $ 7 479,017 (987) (182,477)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (23,825)       (23,825)
Issuance of common stock to directors (in shares)   1,175      
Vesting of restricted stock units (in shares)   43,024      
Exercise of stock options (in shares)   211,651      
Exercise of stock options 1,464   1,464    
Stock-based compensation expense 4,598   4,598    
Other comprehensive income (loss) (1,451)     (1,451)  
Ending balance (in shares) at Jun. 30, 2021   71,080,595      
Ending balance at Jun. 30, 2021 276,346 $ 7 485,079 (2,438) (206,302)
Beginning balance (in shares) at Dec. 31, 2021   71,462,094      
Beginning balance at Dec. 31, 2021 233,917 $ 7 497,128 (5,687) (257,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (23,154)       (23,154)
Issuance of common stock to directors (in shares)   2,395      
Vesting of restricted stock units (in shares)   47,038      
Exercise of stock options (in shares)   815,833      
Exercise of stock options 24,404   24,404    
Stock-based compensation expense 6,943   6,943    
Other comprehensive income (loss) 646     646  
Ending balance (in shares) at Mar. 31, 2022   72,327,360      
Ending balance at Mar. 31, 2022 242,756 $ 7 528,475 (5,041) (280,685)
Beginning balance (in shares) at Dec. 31, 2021   71,462,094      
Beginning balance at Dec. 31, 2021 233,917 $ 7 497,128 (5,687) (257,531)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss $ (72,508)        
Exercise of stock options (in shares) 877,788        
Ending balance (in shares) at Jun. 30, 2022   72,444,514      
Ending balance at Jun. 30, 2022 $ 205,060 $ 7 538,249 (3,157) (330,039)
Beginning balance (in shares) at Mar. 31, 2022   72,327,360      
Beginning balance at Mar. 31, 2022 242,756 $ 7 528,475 (5,041) (280,685)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Net loss (49,354)       (49,354)
Issuance of common stock to directors (in shares)   2,565      
Vesting of restricted stock units (in shares)   52,634      
Exercise of stock options (in shares)   61,955      
Exercise of stock options 626   626    
Stock-based compensation expense 9,148   9,148    
Other comprehensive income (loss) 1,884     1,884  
Ending balance (in shares) at Jun. 30, 2022   72,444,514      
Ending balance at Jun. 30, 2022 $ 205,060 $ 7 $ 538,249 $ (3,157) $ (330,039)