XML 33 R26.htm IDEA: XBRL DOCUMENT

Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2025

Stockholders Equity Note [Abstract]

Schedule of Common Stock Reserved for Future Issuance

The Company had reserved shares of common stock for future issuance as shown in the table below:


		September 30, 2025				December 31, 2024
Shares of common stock reserved for future issuance upon exercise of outstanding warrants and pre-funded warrants			19,100,800				32,915,346
Shares of common stock reserved for future issuance under the 2019 Stock Incentive Plan, as amended			9,165,995				7,555,310
Shares of common stock reserved for future issuance under the 2019 Employee Stock Purchase Plan			1,116,075				1,131,973
Shares of common stock reserved for future issuance under the 2012 Stock Incentive Plan			278,418				288,944
			29,661,288				41,891,573

Warrant Activity Including Activity Related To Pre-funded Warrants

Warrants

Warrant activity, including activity related to pre-funded warrants, is shown in the table below:


		Number of Pre-funded Warrant Shares				Number of Common Stock Warrant Shares				Total Number of Warrant Shares				Weighted Average Exercise Price
Outstanding as of December 31, 2024			23,211,642				9,703,704				32,915,346			$	0.40
Exercised			(5,962,694	)			(7,851,852	)			(13,814,546	)		$	1.37
Outstanding as of September 30, 2025			17,248,948				1,851,852				19,100,800			$	0.13

Schedule of Share-based Compensation, Stock Options, Activity

A summary of the Company’s combined stock option activity for the 2019 Plan and the 2012 Plan is as follows:


		Number of Option Shares				Weighted Average Exercise Price

Outstanding as of December 31, 2024			7,844,254			$	3.08
Granted			2,997,550			$	4.67
Exercised			(772,857	)		$	2.40
Forfeited			(624,534	)		$	3.35
Expired			—			$	—
Outstanding as of September 30, 2025			9,444,413			$	3.62
Options exercisable as of September 30, 2025			5,016,112			$	3.38
Options unvested as of September 30, 2025			4,428,301			$	3.88

Schedule of Stock-based Compensation Expenses Recognized

The following table summarizes the classifications of stock-based compensation expenses for the 2012 Plan, the 2019 Plan and the 2019 ESPP recognized in the Condensed Consolidated Statements of Comprehensive Loss:


		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
General and administrative expense		$	705			$	526			$	2,175			$	1,596
Research and development expense			538				296				1,660				1,075
Total stock-based compensation expenses		$	1,243			$	822			$	3,835			$	2,671