CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Series B Convertible Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Convertible preferred stock, beginning balance (in shares) at Dec. 31, 2023		54,745
Beginning balance at Dec. 31, 2023	$ 40,564	$ 1	$ 2,567	$ (48)	$ 324,191	$ 20	$ (286,167)
Common stock, beginning balance (in shares) at Dec. 31, 2023			256,688,304
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense	1,761				1,761
Issuance of common stock for stock option exercises and restricted stock unit vesting, net	(145)		$ 8		(153)
Issuance of common stock for stock option exercises and restricted stock unit vesting, net (in shares)			758,460
Other comprehensive income	5					5
Net loss	(11,924)						(11,924)
Convertible preferred stock, ending balance (in shares) at Mar. 31, 2024		54,745
Ending balance at Mar. 31, 2024	$ 30,261	$ 1	$ 2,575	(48)	325,799	25	(298,091)
Common stock, ending balance (in shares) at Mar. 31, 2024			257,446,764
Convertible preferred stock, beginning balance (in shares) at Dec. 31, 2024	0	0
Beginning balance at Dec. 31, 2024	$ 29,632	$ 0	$ 2,915	(48)	366,938	48	(340,221)
Common stock, beginning balance (in shares) at Dec. 31, 2024	291,367,558		291,489,058
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense	$ 1,885				1,885
Issuance of common stock for stock option exercises and restricted stock unit vesting, net	(245)		$ 7		(252)
Issuance of common stock for stock option exercises and restricted stock unit vesting, net (in shares)			660,917
Other comprehensive income	(8)					(8)
Net loss	$ (15,350)						(15,350)
Convertible preferred stock, ending balance (in shares) at Mar. 31, 2025	0	0
Ending balance at Mar. 31, 2025	$ 15,914	$ 0	$ 2,922	$ (48)	$ 368,571	$ 40	$ (355,571)
Common stock, ending balance (in shares) at Mar. 31, 2025	292,028,475		292,149,975