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Consolidated Statements Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Common Stock
Additional-paid in Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Beginning Balance at Dec. 31, 2021 $ 130,824 $ 35 $ 310,936 $ (62) $ (180,085)
Beginning Balance (in shares) at Dec. 31, 2021   34,611,213      
Stock-based compensation expense 15,425   15,425    
Purchase of common stock under Employee Stock Purchase Plan 196   196    
Purchase of common stock under Employee Stock Purchase Plan (in shares)   76,606      
Issuance of common stock, net 61   61    
Issuance of common stock, net (in shares)   22,964      
Issuance of common stock pursuant to restricted stock units (1)   (1)    
Issuance of common stock pursuant to restricted stock units (in shares)   551,450      
Other comprehensive gain loss (314)     (314)  
Net loss (64,218)       (64,218)
Ending Balance at Sep. 30, 2022 81,973 $ 35 326,617 (376) (244,303)
Ending Balance (in shares) at Sep. 30, 2022   35,262,233      
Beginning Balance at Jun. 30, 2022 95,853 $ 35 320,966 (392) (224,756)
Beginning Balance (in shares) at Jun. 30, 2022   34,976,409      
Stock-based compensation expense 5,595   5,595    
Purchase of common stock under Employee Stock Purchase Plan 57   57    
Purchase of common stock under Employee Stock Purchase Plan (in shares)   44,774      
Issuance of common stock, net     (1)    
Issuance of common stock, net (in shares)   200      
Issuance of common stock pursuant to restricted stock units (in shares)   240,850      
Other comprehensive gain loss 16     16  
Net loss (19,547)       (19,547)
Ending Balance at Sep. 30, 2022 81,973 $ 35 326,617 (376) (244,303)
Ending Balance (in shares) at Sep. 30, 2022   35,262,233      
Beginning Balance at Dec. 31, 2022 $ 69,195 $ 35 331,023 (198) (261,665)
Beginning Balance (in shares) at Dec. 31, 2022 35,262,083 35,262,083      
Stock-based compensation expense $ 9,253   9,253    
Purchase of common stock under Employee Stock Purchase Plan 33   33    
Purchase of common stock under Employee Stock Purchase Plan (in shares)   31,083      
Issuance of common stock, net (in shares)   2,969      
Issuance of common stock pursuant to restricted stock units 1 $ 2 (1)    
Issuance of common stock pursuant to restricted stock units (in shares)   1,630,150      
Other comprehensive gain loss 208     (208)  
Net loss (41,953)       (41,953)
Ending Balance at Sep. 30, 2023 $ 36,737 $ 37 340,308 10 (303,618)
Ending Balance (in shares) at Sep. 30, 2023 36,926,285 36,926,285      
Beginning Balance at Jun. 30, 2023 $ 45,408 $ 36 337,382 (6) (292,004)
Beginning Balance (in shares) at Jun. 30, 2023   35,963,706      
Stock-based compensation expense 2,925   2,925    
Purchase of common stock under Employee Stock Purchase Plan 2   2    
Purchase of common stock under Employee Stock Purchase Plan (in shares)   6,329      
Issuance of common stock pursuant to restricted stock units   $ 1 (1)    
Issuance of common stock pursuant to restricted stock units (in shares)   956,250      
Other comprehensive gain loss 16     16  
Net loss (11,614)       (11,614)
Ending Balance at Sep. 30, 2023 $ 36,737 $ 37 $ 340,308 $ 10 $ (303,618)
Ending Balance (in shares) at Sep. 30, 2023 36,926,285 36,926,285