Stock-Based Compensation - Stock Option Activity Under Stock Option Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Number of Shares
Beginning Balance	33,237
Granted	196,580
Exercised	0
Cancelled	(4,265)
Ending Balance	225,550	33,237
Options exercisable, at end of period	96,529
Options available for future grant	950,429
Weighted Average Exercise Price
Beginning Balance	$ 153.79
Granted	4.33
Exercised	0
Cancelled	71.68
Ending Balance	25.08	$ 153.79
Options exercisable, at end of period	$ 52.5
Weighted Average Contractual Term (Years)
Outstanding, period	8 years 3 months 3 days	7 years 1 month 24 days
Options exercisable, at end of period	10 years 6 months 10 days
Aggregate Intrinsic Value
Outstanding, at end of period	$ 12	$ 0
Options exercisable, at end of period	$ 7