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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2026

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:


		June 30, 2026				December 31, 2025
Shares of common stock reserved for future issuance upon exercise of outstanding warrants and pre-funded warrants			19,100,800				19,100,800
Shares of common stock reserved for future issuance upon exercise under the Amended and Restated 2019 Stock Incentive Plan			11,386,272				9,023,200
Shares of common stock reserved for future issuance under the 2019 Employee Stock Purchase Plan			1,097,288				1,103,842
Shares of common stock reserved for future issuance upon exercise under the 2012 Stock Incentive Plan			278,418				278,418
			31,862,778				29,506,260

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, 2025			17,248,948				1,851,852				19,100,800			$	0.13
Exercised			—				—				—			$	—
Outstanding as of June 30, 2026			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, 2025			9,301,618			$	3.63
Granted			3,581,500			$	11.19
Exercised			(768,273	)		$	2.53
Forfeited			(337,655	)		$	6.73
Expired			—			$	—
Outstanding as of June 30, 2026			11,777,190			$	5.91
Options exercisable as of June 30, 2026			5,920,713			$	3.80
Options unvested as of June 30, 2026			5,856,477			$	8.04

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 June 30,								Six Months Ended June 30,
		2026				2025				2026				2025
General and administrative expense		$	1,896			$	787			$	3,245			$	1,471
Research and development expense			1,376				597				2,218				1,121
Total stock-based compensation expenses		$	3,272			$	1,384			$	5,463			$	2,592