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CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive (Loss) Income
Beginning balance (in shares) at Dec. 31, 2023   232,453,190      
Beginning balance at Dec. 31, 2023 $ 166,816 $ 23 $ 1,012,773 $ (846,204) $ 224
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under employee stock purchase plan (in shares)   479,609      
Issuance of common stock under employee stock purchase plan 2,227   2,227    
Issuance of common stock for services (in shares)   40,549      
Issuance of common stock for services 257   257    
Issuance of common stock upon exercise of options (in shares)   2,227,627      
Issuance of common stock upon exercise of options 5,299 $ 1 5,298    
Issuance of common stock upon vesting of restricted stock units (in shares)   1,689,456      
Stock-based compensation 27,518   27,518    
Unrealized (losses) gains on available-for-sale securities (39)       (39)
Net loss (43,781)     (43,781)  
Ending balance (in shares) at Sep. 30, 2024   236,890,431      
Ending balance at Sep. 30, 2024 158,297 $ 24 1,048,073 (889,985) 185
Beginning balance (in shares) at Jun. 30, 2024   235,401,398      
Beginning balance at Jun. 30, 2024 146,990 $ 23 1,036,244 (889,176) (101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under employee stock purchase plan (in shares)   226,297      
Issuance of common stock under employee stock purchase plan 1,189   1,189    
Issuance of common stock upon exercise of options (in shares)   663,358      
Issuance of common stock upon exercise of options 1,508 $ 1 1,507    
Issuance of common stock upon vesting of restricted stock units (in shares)   599,378      
Stock-based compensation 9,133   9,133    
Unrealized (losses) gains on available-for-sale securities 286       286
Net loss (809)     (809)  
Ending balance (in shares) at Sep. 30, 2024   236,890,431      
Ending balance at Sep. 30, 2024 158,297 $ 24 1,048,073 (889,985) 185
Beginning balance (in shares) at Dec. 31, 2024   238,015,825      
Beginning balance at Dec. 31, 2024 173,289 $ 24 1,058,548 (885,340) 57
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under employee stock purchase plan (in shares)   385,593      
Issuance of common stock under employee stock purchase plan 1,718   1,718    
Issuance of common stock for services (in shares)   87,256      
Issuance of common stock for services $ 315   315    
Issuance of common stock upon exercise of options (in shares) 1,642,000 1,641,801      
Issuance of common stock upon exercise of options $ 3,566   3,566    
Issuance of common stock upon vesting of restricted stock units (in shares)   2,841,363      
Stock-based compensation 36,517   36,517    
Unrealized (losses) gains on available-for-sale securities 67       67
Net loss (61,192)     (61,192)  
Ending balance (in shares) at Sep. 30, 2025   242,971,838      
Ending balance at Sep. 30, 2025 154,280 $ 24 1,100,664 (946,532) 124
Beginning balance (in shares) at Jun. 30, 2025   240,765,516      
Beginning balance at Jun. 30, 2025 139,531 $ 24 1,085,108 (945,563) (38)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under employee stock purchase plan (in shares)   162,859      
Issuance of common stock under employee stock purchase plan 703   703    
Issuance of common stock upon exercise of options (in shares)   860,811      
Issuance of common stock upon exercise of options 2,111   2,111    
Issuance of common stock upon vesting of restricted stock units (in shares)   1,182,652      
Stock-based compensation 12,742   12,742    
Unrealized (losses) gains on available-for-sale securities 162       162
Net loss (969)     (969)  
Ending balance (in shares) at Sep. 30, 2025   242,971,838      
Ending balance at Sep. 30, 2025 $ 154,280 $ 24 $ 1,100,664 $ (946,532) $ 124