Share-based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2026

Share-Based Payment Arrangement [Abstract]

Total Share-Based Payments Expense

Total share-based payments expense was as follows:

	For the Three Months Ended
		March 31, 2026		March 31, 2025
		(In thousands)
Stock options		$	660	$	840
Restricted share units			225		674
Total share-based payments		$	885	$	1,514

Summary of Stock Option Activity

The following table summarizes the stock option activity for the period ended March 31, 2026:

	Number of Stock Options			Weighted average remaining contractual life (in years)		Weighted Average Exercise Price (per share) $		Aggregate intrinsic value
Outstanding, December 31, 2025		13,903,573			5.32	$	2.86	$	368
Granted		40,000			—		0.66		—
Exercised		—			—		—		—
Forfeited		(133,627	)		—		0.84		—
Expired		(938,142	)		—		5.11		—
Outstanding, March 31, 2026		12,871,804			5.36	$	2.71	$	250
Exercisable, March 31, 2026		9,871,173			4.51	$	3.17	$	56

Summary of Weighted-average Assumptions used to Estimate Fair Value of Various Stock Options

The fair value of the various stock options granted were estimated using the Black-Scholes Option Pricing Model (the "Black-Scholes Model") with the following assumptions:

	March 31, 2026			March 31, 2025
Volatility	93.26% - 94.78%			72.55% - 75.19%
Risk-free interest rate	3.73% - 3.95%			4.02% - 4.4%
Expected life (years)		6.25		5.07 - 6.25
Dividend yield		0.00	%		0.00	%

Summary of Activities for Unvested RSUs

The following table summarizes the activities for the RSUs for the period ended March 31, 2026:

	Number of RSUs
Outstanding, December 31, 2025		5,029,315
Granted		—
Vested		(10,143	)
Forfeited		(32,467	)
Outstanding, March 31, 2026		4,986,705