CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total
Beginning balance at Dec. 31, 2020		$ 1,799	$ (85,086)	$ (83,287)
Beginning balance (in shares) at Dec. 31, 2020	689,929
Stockholders' Deficit
Vesting of restricted common stock (in shares)	27,989
Exercise of stock options		25		25
Exercise of stock options (in shares)	4,473
Equity-based compensation expense		794		794
Net loss			(16,667)	(16,667)
Ending balance at Mar. 31, 2021		2,618	(101,753)	(99,135)
Ending balance (in shares) at Mar. 31, 2021	722,391
Beginning balance at Dec. 31, 2021	$ 3	346,312	(160,886)	185,429
Beginning balance (in shares) at Dec. 31, 2021	27,358,375
Stockholders' Deficit
Vesting of restricted common stock (in shares)	15,441
Exercise of stock options		16		$ 16
Exercise of stock options (in shares)	2,657			2,657
Equity-based compensation expense		2,029		$ 2,029
Net loss			(21,353)	(21,353)
Ending balance at Mar. 31, 2022	$ 3	$ 348,357	$ (182,239)	$ 166,121
Ending balance (in shares) at Mar. 31, 2022	27,376,473