Common Stock (Tables)

9 Months Ended

Sep. 30, 2026

Equity [Abstract]

Schedule of Shares Reserved for Future Issuance

Shares reserved for future issuance at September 30, 2026 are as follows:

	Number of Shares
Common stock reserved for issuance for:
2021 Employee stock purchase plan	42,142
Shares reserved for the January 2024 Pre-funded stock warrants	858,015
Placement agent warrants	28,333
Outstanding stock options	6,735,314
Shares reserved for the May 2025 Pre-funded warrants	4,619,867
Shares reserved for Time based SARs	418,722
Shares reserved for SARs for exercised Series B warrants	100,059
Shares reserved for SARs for unexercised Series B warrants	280,783
Shares reserved for the May 2025 Series B warrants	2,557,967
Shares reserved for the February 2026 Pre-funded warrants	22,294,900
Shares reserved for the February 2026 common warrants	22,294,900
Common stock options available for future grant:
2017 Inducement Equity Incentive Plan	4,625
2019 Omnibus Equity Incentive Plan	3,488,014
2026 Inducement Equity Incentive Plan	1,233,650
Total common shares reserved for future issuance	64,957,291