Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Convertible Preferred Stock	Non-voting Common Stock	Common Stock	Common Stock Non-voting Common Stock	Additional Paid-In Capital	Accumulated Deficit
Balances at Dec. 31, 2020	$ (42,462)			$ 1		$ 1,070	$ (43,533)
Balances, shares at Dec. 31, 2020		7,063,104
Balances at Dec. 31, 2020		$ 59,681
Balances, shares at Dec. 31, 2020				1,135,858
Issuance of Series C convertible preferred stock (net of issuance costs of $270)		$ 99,730
Issuance of Series C convertible preferred stock (net of issuance costs of $270), shares		8,553,168
Exercise of stock options	108					108
Exercise of stock options, shares				81,289
Vesting of restricted common stock, shares				87,642
Stock-based compensation expense	344					344
Net loss	(7,912)						(7,912)
Balances at Mar. 31, 2021	(49,922)			$ 1		1,522	(51,445)
Balances, shares at Mar. 31, 2021		15,616,272
Balances at Mar. 31, 2021		$ 159,411
Balances, shares at Mar. 31, 2021				1,304,789
Balances at Dec. 31, 2021	160,778			$ 2	$ 1	252,933	(92,158)
Balances, shares at Dec. 31, 2021			5,143,134	18,764,463	5,143,134
Exercise of stock options	88					88
Exercise of stock options, shares				35,971
Vesting of restricted common stock, shares				87,651
Stock-based compensation expense	984					984
Net loss	(16,156)						(16,156)
Balances at Mar. 31, 2022	$ 145,694			$ 2	$ 1	$ 254,005	$ (108,314)
Balances, shares at Mar. 31, 2022			5,143,134	18,888,085	5,143,134