Condensed Consolidated Statements of Changes In Stockholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance (in shares) at Dec. 31, 2022		19,668,603
Balance at Dec. 31, 2022	$ (15,181)	$ 20	$ 125,406	$ (140,513)	$ (94)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)		5,775
Exercise of stock options	109		109
Issuance of common stock in settlement of restricted and performance stock unites, net of shares withheld for employee taxes (in shares)		110,729
Issuance of common stock in settlement of restricted and performance stock units, net of shares withheld for employee taxes	(2,397)		(2,397)
Stock-based compensation expense	3,386		3,386
Net change in unrealized gain (loss) on available-for-sale investments	86				86
Net loss	(28,048)			(28,048)
Balance (in shares) at Mar. 31, 2023		19,785,107
Balance at Mar. 31, 2023	(42,045)	$ 20	126,504	(168,561)	(8)
Balance (in shares) at Dec. 31, 2022		19,668,603
Balance at Dec. 31, 2022	(15,181)	$ 20	125,406	(140,513)	(94)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (162,800)
Balance (in shares) at Dec. 31, 2023	19,960,622	19,960,622
Balance at Dec. 31, 2023	$ (171,830)	$ 20	131,496	(303,346)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options (in shares)	0
Issuance of common stock in settlement of restricted and performance stock unites, net of shares withheld for employee taxes (in shares)		107,319
Issuance of common stock in settlement of restricted and performance stock units, net of shares withheld for employee taxes	$ (64)		(64)
Stock-based compensation expense	2,109		2,109
Net change in unrealized gain (loss) on available-for-sale investments	0
Net loss	$ (22,778)			(22,778)
Balance (in shares) at Mar. 31, 2024	20,067,941	20,067,941
Balance at Mar. 31, 2024	$ (192,563)	$ 20	$ 133,541	$ (326,124)	$ 0