CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2023		70,240,000
Beginning balance at Dec. 31, 2023	$ 159,003	$ 109	$ 433,781	$ (60)	$ (274,827)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(43,190)				(43,190)
Foreign currency translation gain (loss)	(34)			(34)
Actuarial gain on pension liability adjustment	(30)			(30)
Restricted stock unit awards vested, net of shares withheld to cover tax withholding (in shares)		1,687,000
Restricted stock unit awards vested, net of shares withheld to cover tax withholding	(457)	$ 2	(459)
Stock-based compensation	12,424		12,424
Issuance of common stock upon exercise of stock options (in shares)		83,000
Issuance of common stock upon exercise of stock options	149		149
Issuance of common stock for 401K match (in shares)		370,000
Issuance of common stock for 401(k) match	1,618		1,618
Ending balance (in shares) at Sep. 30, 2024		72,380,000
Ending balance at Sep. 30, 2024	129,483	$ 111	447,513	(124)	(318,017)
Beginning balance (in shares) at Jun. 30, 2024		72,223,000
Beginning balance at Jun. 30, 2024	149,149	$ 111	439,146	(146)	(289,962)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(28,055)				(28,055)
Foreign currency translation gain (loss)	22			22
Actuarial gain on pension liability adjustment	0
Restricted stock unit awards vested, net of shares withheld to cover tax withholding (in shares)		132,000
Restricted stock unit awards vested, net of shares withheld to cover tax withholding	(28)		(28)
Stock-based compensation	8,350		8,350
Issuance of common stock upon exercise of stock options (in shares)		25,000
Issuance of common stock upon exercise of stock options	45		45
Ending balance (in shares) at Sep. 30, 2024		72,380,000
Ending balance at Sep. 30, 2024	$ 129,483	$ 111	447,513	(124)	(318,017)
Beginning balance (in shares) at Dec. 31, 2024	72,514,652	72,515,000
Beginning balance at Dec. 31, 2024	$ 127,137	$ 111	454,502	(129)	(327,347)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(20,235)				(20,235)
Foreign currency translation gain (loss)	76			76
Actuarial gain on pension liability adjustment	8			8
Restricted stock unit awards vested, net of shares withheld to cover tax withholding (in shares)		989,000
Restricted stock unit awards vested, net of shares withheld to cover tax withholding	(1,600)	$ 1	(1,601)
Stock-based compensation	$ 19,757		19,757
Issuance of common stock upon exercise of stock options (in shares)	60,000	60,000
Issuance of common stock upon exercise of stock options	$ 108		108
Repurchases of common stock (in shares)		(2,072,000)
Repurchases of common stock	(7,639)	$ (2)	(7,637)
Issuance of common stock for 401K match (in shares)		728,000
Issuance of common stock for 401(k) match	$ 2,063	$ 1	2,062
Ending balance (in shares) at Sep. 30, 2025	72,220,048	72,220,000
Ending balance at Sep. 30, 2025	$ 119,675	$ 111	467,191	(45)	(347,582)
Beginning balance (in shares) at Jun. 30, 2025		72,442,000
Beginning balance at Jun. 30, 2025	118,413	$ 111	463,816	(46)	(345,468)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,114)				(2,114)
Foreign currency translation gain (loss)	1			1
Actuarial gain on pension liability adjustment	0
Restricted stock unit awards vested, net of shares withheld to cover tax withholding (in shares)		302,000
Restricted stock unit awards vested, net of shares withheld to cover tax withholding	(537)	$ 1	(538)
Stock-based compensation	7,441		7,441
Issuance of common stock upon exercise of stock options (in shares)		60,000
Issuance of common stock upon exercise of stock options	108		108
Repurchases of common stock (in shares)		(584,000)
Repurchases of common stock	$ (3,637)	$ (1)	(3,636)
Ending balance (in shares) at Sep. 30, 2025	72,220,048	72,220,000
Ending balance at Sep. 30, 2025	$ 119,675	$ 111	$ 467,191	$ (45)	$ (347,582)