Condensed Consolidated Statements of Stockholders' Deficit - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2023		205,771
Beginning balance at Dec. 31, 2023	$ (455,528)	$ 2,058	$ 1,222,236	$ 1,337	$ (1,681,159)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(35,379)				(35,379)
Other comprehensive income (loss)	(566)			(566)
Exercise of stock options, net (in shares)		176
Exercise of stock options	552	$ 2	550
Vesting of restricted stock units (in shares)		155
Vesting of restricted stock units	0	$ 1	(1)
Shares withheld for taxes for vesting of restricted stock units (in shares)		(8)
Shares withheld for taxes for vesting of restricted stock units	$ (38)		(38)
Employee stock purchase plan sales, net (in shares)	251	251
Employee stock purchase plan sales	$ 1,129	$ 2	1,127
Issuance of shares to directors in lieu of cash retainer (in shares)		2
Issuance of shares to directors in lieu of cash retainer	11		11
Stock-based compensation expense	13,652		13,652
Common stock, shares outstanding, ending balance (in shares) at Mar. 31, 2024		206,347
Ending balance at Mar. 31, 2024	$ (476,167)	$ 2,063	1,237,537	771	(1,716,538)
Common stock, shares outstanding, beginning balance (in shares) at Dec. 31, 2024	208,543	208,543
Beginning balance at Dec. 31, 2024	$ (475,934)	$ 2,085	1,291,100	921	(1,770,040)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	32				32
Other comprehensive income (loss)	211			211
Exercise of stock options, net (in shares)		286
Exercise of stock options	1,229	$ 3	1,226
Vesting of restricted stock units (in shares)		184
Vesting of restricted stock units	0	$ 2	(2)
Shares withheld for taxes for vesting of restricted stock units (in shares)		(8)
Shares withheld for taxes for vesting of restricted stock units	$ (56)		(56)
Employee stock purchase plan sales, net (in shares)	202	202
Employee stock purchase plan sales	$ 1,217	$ 2	1,215
Issuance of shares to directors in lieu of cash retainer (in shares)		1
Issuance of shares to directors in lieu of cash retainer	6		6
Stock-based compensation expense	$ 21,368		21,368
Common stock, shares outstanding, ending balance (in shares) at Mar. 31, 2025	209,208	209,208
Ending balance at Mar. 31, 2025	$ (451,927)	$ 2,092	$ 1,314,857	$ 1,132	$ (1,770,008)