Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2020   40,618,766    
Beginning balance at Dec. 31, 2020 $ 123,149 $ 406 $ 326,390 $ (203,647)
Increase (Decrease) in Stockholders' Equity        
Net loss (14,558)     (14,558)
Stock-based compensation 6,499   6,499  
Issuance of restricted and performance stock units (in shares)   138,944    
Issuance of restricted and performance stock units 0 $ 1 (1)  
Exercise of stock options and employee stock purchase plan (in shares)   579,398    
Exercise of stock options and employee stock purchase plan 3,613 $ 6 3,607  
Ending balance (in shares) at Jun. 30, 2021   41,337,108    
Ending balance at Jun. 30, 2021 118,703 $ 413 336,495 (218,205)
Beginning balance (in shares) at Mar. 31, 2021   40,842,717    
Beginning balance at Mar. 31, 2021 119,704 $ 408 329,603 (210,307)
Increase (Decrease) in Stockholders' Equity        
Net loss (7,898)     (7,898)
Stock-based compensation 3,804   3,804  
Issuance of restricted and performance stock units (in shares)   44,411    
Issuance of restricted and performance stock units 0      
Exercise of stock options and employee stock purchase plan (in shares)   449,980    
Exercise of stock options and employee stock purchase plan 3,093 $ 5 3,088  
Ending balance (in shares) at Jun. 30, 2021   41,337,108    
Ending balance at Jun. 30, 2021 $ 118,703 $ 413 336,495 (218,205)
Beginning balance (in shares) at Dec. 31, 2021 41,736,950 41,736,950    
Beginning balance at Dec. 31, 2021 $ 112,550 $ 417 342,765 (230,632)
Increase (Decrease) in Stockholders' Equity        
Net loss (19,215)     (19,215)
Stock-based compensation 7,588   7,588  
Issuance of restricted and performance stock units (in shares)   259,341    
Issuance of restricted and performance stock units 0 $ 2 (2)  
Exercise of stock options and employee stock purchase plan (in shares)   138,213    
Exercise of stock options and employee stock purchase plan $ 767 $ 1 766  
Ending balance (in shares) at Jun. 30, 2022 42,134,504 42,134,504    
Ending balance at Jun. 30, 2022 $ 101,690 $ 420 351,117 (249,847)
Beginning balance (in shares) at Mar. 31, 2022   41,972,987    
Beginning balance at Mar. 31, 2022 103,851 $ 420 345,538 (242,107)
Increase (Decrease) in Stockholders' Equity        
Net loss (7,740)     (7,740)
Stock-based compensation 4,910   4,910  
Issuance of restricted and performance stock units (in shares)   44,054    
Issuance of restricted and performance stock units 0      
Exercise of stock options and employee stock purchase plan (in shares)   117,463    
Exercise of stock options and employee stock purchase plan $ 669 $ 0 669  
Ending balance (in shares) at Jun. 30, 2022 42,134,504 42,134,504    
Ending balance at Jun. 30, 2022 $ 101,690 $ 420 $ 351,117 $ (249,847)