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Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Balance at beginning of period (in shares) at Dec. 31, 2020 4,471,316        
Balance at beginning of period at Dec. 31, 2020 $ 5,712        
Balance at end of period (in shares) at Sep. 30, 2021 4,471,316        
Balance at end of period at Sep. 30, 2021 $ 5,712        
Balance at beginning of period (in shares) at Dec. 31, 2020   18,486,989      
Balance at beginning of period at Dec. 31, 2020 (12,008) $ 18 $ 3,612 $ (31) $ (15,607)
Stockholders’ Equity          
Stock issued during period (in shares)   1,250,000      
Stock Issued During Period, Value, New Issues 5,437 $ 2 5,435    
Issuance of common stock for cash upon exercise of stock options (in shares)   832,329      
Issuance of common stock for cash upon exercise of stock options 328 $ 1 327    
Issuance of common stock for settlement of restricted stock units (in shares)   38,533      
Stock-based compensation expense 1,144   1,144    
Unrealized loss on available-for-sale securities, net of tax 0        
Net loss (15,594)       (15,594)
Balance at end of period (in shares) at Sep. 30, 2021   20,607,851      
Balance at end of period at Sep. 30, 2021 $ (20,693) $ 21 10,518 (31) (31,201)
Balance at beginning of period (in shares) at Jun. 30, 2021 4,471,316        
Balance at beginning of period at Jun. 30, 2021 $ 5,712        
Balance at end of period (in shares) at Sep. 30, 2021 4,471,316        
Balance at end of period at Sep. 30, 2021 $ 5,712        
Balance at beginning of period (in shares) at Jun. 30, 2021   20,525,254      
Balance at beginning of period at Jun. 30, 2021 (16,189) $ 21 10,054 (31) (26,233)
Stockholders’ Equity          
Issuance of common stock for cash upon exercise of stock options (in shares)   60,395      
Issuance of common stock for cash upon exercise of stock options 31   31    
Issuance of common stock for settlement of restricted stock units (in shares)   22,202      
Stock-based compensation expense 433   433    
Unrealized loss on available-for-sale securities, net of tax 0        
Net loss (4,968)       (4,968)
Balance at end of period (in shares) at Sep. 30, 2021   20,607,851      
Balance at end of period at Sep. 30, 2021 $ (20,693) $ 21 10,518 (31) (31,201)
Balance at beginning of period (in shares) at Dec. 31, 2021 0        
Balance at beginning of period at Dec. 31, 2021 $ 0        
Balance at end of period (in shares) at Sep. 30, 2022 0        
Balance at end of period at Sep. 30, 2022 $ 0        
Balance at beginning of period (in shares) at Dec. 31, 2021 31,530,682 31,530,682      
Balance at beginning of period at Dec. 31, 2021 $ 52,904 $ 31 91,945 (81) (38,991)
Stockholders’ Equity          
Issuance of common stock for cash upon exercise of stock options (in shares) 1,022,050 1,022,050      
Issuance of common stock for cash upon exercise of stock options $ 617 $ 2 615    
Issuance of common stock for settlement of restricted stock units (in shares)   1,008,620      
Tax withholding on RSUs settlement (in shares)   (240,461)      
Tax withholding on RSUs settlement (2,053)   (2,053)    
Stock-based compensation expense 9,082   9,082    
Unrealized loss on available-for-sale securities, net of tax (21)     (21)  
Net loss $ (20,172)       (20,172)
Balance at end of period (in shares) at Sep. 30, 2022 33,320,891 33,320,891      
Balance at end of period at Sep. 30, 2022 $ 40,357 $ 33 99,589 (102) (59,163)
Balance at beginning of period (in shares) at Jun. 30, 2022 0        
Balance at beginning of period at Jun. 30, 2022 $ 0        
Balance at end of period (in shares) at Sep. 30, 2022 0        
Balance at end of period at Sep. 30, 2022 $ 0        
Balance at beginning of period (in shares) at Jun. 30, 2022   32,622,817      
Balance at beginning of period at Jun. 30, 2022 45,710 $ 33 97,237 (81) (51,479)
Stockholders’ Equity          
Issuance of common stock for cash upon exercise of stock options (in shares)   255,108      
Issuance of common stock for cash upon exercise of stock options 173 $ 0 173    
Issuance of common stock for settlement of restricted stock units (in shares)   614,184      
Tax withholding on RSUs settlement (in shares)   (171,218)      
Tax withholding on RSUs settlement (1,210)   (1,210)    
Stock-based compensation expense 3,389   3,389    
Unrealized loss on available-for-sale securities, net of tax (21)     (21)  
Net loss $ (7,684)       (7,684)
Balance at end of period (in shares) at Sep. 30, 2022 33,320,891 33,320,891      
Balance at end of period at Sep. 30, 2022 $ 40,357 $ 33 $ 99,589 $ (102) $ (59,163)