v3.26.1
Stock Based Compensation - Summary of Stock Option Activity (Detail)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
$ / shares
shares
Dec. 31, 2025
$ / shares
shares
2023 Omnibus Incentive Plan    
Number of Shares Underlying Outstanding Options    
Number of Shares Underlying Outstanding Options, Beginning Balance | shares 19,483,378  
Number of Shares Underlying Outstanding Options, Options granted | shares 620,000  
Number of Shares Underlying Outstanding Options, Options exercised | shares (269,229)  
Number of Shares Underlying Outstanding Options, Options forfeited and cancelled | shares (286,824)  
Number of Shares Underlying Outstanding Options, Ending Balance | shares 19,547,325 19,483,378
Number of Shares Underlying Outstanding Options, Exercisable- March 31, 2026 | shares 17,471,542  
Weighted- Average Exercise Price    
Weighted- Average Exercise Price, Beginning Balance | $ / shares $ 3.27  
Weighted- Average Exercise Price, Options granted | $ / shares 6.44  
Weighted- Average Exercise Price, Options Exercised | $ / shares 0.77  
Weighted- Average Exercise Price, Options forfeited and cancelled | $ / shares 9.89  
Weighted- Average Exercise Price, Ending Balance | $ / shares 3.14 $ 3.27
Weighted- Average Exercise Price, Exercisable - March 31, 2026 | $ / shares $ 2.48  
Weighted-Average Remaining Contractual Term (Years)    
Weighted-Average Remaining Contractual Term (Years), Outstanding Balance 5 years 9 months 18 days 5 years 10 months 24 days
Weighted Average Remaining Contractual Term, Options granted 9 years 9 months 18 days  
Weighted Average Remaining Contractual Term, Exercisable - March 31, 2026 5 years 6 months  
2018 Cullgen Stock Incentive Plan    
Number of Shares Underlying Outstanding Options    
Number of Shares Underlying Outstanding Options, Beginning Balance | shares 4,096,892  
Number of Shares Underlying Outstanding Options, Options granted | shares 71,295  
Number of Shares Underlying Outstanding Options, Options exercised | shares (7,228)  
Number of Shares Underlying Outstanding Options, Options forfeited and cancelled | shares (23,340)  
Number of Shares Underlying Outstanding Options, Ending Balance | shares 4,137,619 4,096,892
Number of Shares Underlying Outstanding Options, Exercisable- March 31, 2026 | shares 3,695,361  
Weighted- Average Exercise Price    
Weighted- Average Exercise Price, Beginning Balance | $ / shares $ 2.02  
Weighted- Average Exercise Price, Options granted | $ / shares 8.09  
Weighted- Average Exercise Price, Options Exercised | $ / shares 3.12  
Weighted- Average Exercise Price, Options forfeited and cancelled | $ / shares 5.06  
Weighted- Average Exercise Price, Ending Balance | $ / shares 2.11 $ 2.02
Weighted- Average Exercise Price, Exercisable - March 31, 2026 | $ / shares $ 1.65  
Weighted-Average Remaining Contractual Term (Years)    
Weighted-Average Remaining Contractual Term (Years), Outstanding Balance 4 years 7 months 6 days 5 years
Weighted Average Remaining Contractual Term, Options granted 9 years 8 months 12 days  
Weighted Average Remaining Contractual Term, Exercisable - March 31, 2026 4 years 1 month 6 days