Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Common Stock Non-voting Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Balance at Dec. 31, 2021	$ 244,908	$ 261	$ 64	$ 598,373	$ 66	$ (353,724)
Balance, shares at Dec. 31, 2021		26,066,818	6,431,205
Exercise of stock options, net of shares withheld for taxes and exercise costs	133			133
Exercise of stock options, net of shares withheld for taxes and exercise costs, shares		23,432
Vesting of restricted stock, shares		1,713
Unrealized (loss) gain on marketable securities	(127)				(127)
Stock-based compensation expense	11,499			11,499
Net loss	(51,894)					(51,894)
Balance at Mar. 31, 2022	204,519	$ 261	$ 64	610,005	193	(405,618)
Balance, shares at Mar. 31, 2022		26,091,963	6,431,205
Balance at Dec. 31, 2022	287,263	$ 294	$ 137	862,359	(701)	(574,826)
Balance, shares at Dec. 31, 2022		29,394,436	13,687,883
Exercise of stock options, Shares		40,774
Exercise of stock options	75			75
Vest of restricted stock units		$ 1		1
Issuance of fully vested restricted stock units, shares		64,863
Unrealized (loss) gain on marketable securities	354				354
Stock-based compensation expense	11,047			11,047
Net loss	(59,309)					(59,309)
Balance at Mar. 31, 2023	$ 239,430	$ 295	$ 137	$ 873,480	$ (347)	$ (634,135)
Balance, shares at Mar. 31, 2023		29,500,073	13,687,883