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CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Other Comprehensive Gain (Loss)
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022   42,390,586      
Beginning balance at Dec. 31, 2022 $ 176,157 $ 5 $ 396,041 $ (877) $ (219,012)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options and purchases pursuant to employee stock purchase plan (in shares)   11,888      
Exercise of stock options and purchases pursuant to employee stock purchase plan $ 39   39    
Issuance of common stock upon settlement of restricted stock units (in shares)   73,937      
Shares withheld related to net share settlement (in shares) (16,153)        
Shares withheld related to net share settlement $ (39)   (39)    
Stock-based compensation expense 1,683   1,683    
Unrealized loss on investments 538     538  
Net loss (20,724)       (20,724)
Ending balance (in shares) at Mar. 31, 2023   42,460,258      
Ending balance at Mar. 31, 2023 157,654 $ 5 397,724 (339) (239,736)
Beginning balance (in shares) at Dec. 31, 2023   47,260,108      
Beginning balance at Dec. 31, 2023 144,705 $ 5 451,006 4 (306,310)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of stock options and purchases pursuant to employee stock purchase plan (in shares)   145,841      
Exercise of stock options and purchases pursuant to employee stock purchase plan 609   609    
Issuance of common stock upon settlement of restricted stock units (in shares)   156,803      
Shares withheld related to net share settlement (in shares)   (43,533)      
Shares withheld related to net share settlement (437)   (437)    
Stock-based compensation expense 2,475   2,475    
Proceeds from sale of common stock, net (17)   (17)    
Unrealized loss on investments (18)     (18)  
Net loss (18,504)       (18,504)
Ending balance (in shares) at Mar. 31, 2024   47,519,219      
Ending balance at Mar. 31, 2024 $ 128,813 $ 5 $ 453,636 $ (14) $ (324,814)