Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) - USD ($)	Total	Initial Public Offering	Convertible Preferred Stock	Convertible Preferred Stock Initial Public Offering	Voting Common Stock	Non-voting Common Stock	Common Stock Voting Common Stock	Common Stock Voting Common Stock Initial Public Offering	Common Stock Non-voting Common Stock	Common Stock Non-voting Common Stock Initial Public Offering	Additional Paid-In Capital	Additional Paid-In Capital Initial Public Offering	Accumulated Deficit
Balances at Dec. 31, 2019	$ (17,138,000)										$ 268,000		$ (17,406,000)
Balances, shares at Dec. 31, 2019			7,063,104
Balances at Dec. 31, 2019			$ 59,681,000
Balances, shares at Dec. 31, 2019							642,903
Exercise of stock options	288,000						$ 1,000				287,000
Exercise of stock options, shares							142,349
Vesting of restricted common stock, shares							350,606
Stock-based compensation expense	515,000										515,000
Net loss	(26,127,000)												(26,127,000)
Balances at Dec. 31, 2020	(42,462,000)						$ 1,000				1,070,000		(43,533,000)
Balances, shares at Dec. 31, 2020			7,063,104
Balances at Dec. 31, 2020	59,681,000		$ 59,681,000
Balances, shares at Dec. 31, 2020					1,135,858	0	1,135,858
Issuance of Series C convertible preferred stock (net of issuance costs of $270 thousand)			$ 99,730,000
Issuance of Series C convertible preferred stock (net of issuance costs of $270 thousand), shares			8,553,168
Issuance of common stock, net of issuance costs	89,646,000						$ 1,000				89,645,000
Issuance of common stock, net of issuance costs, shares							6,666,667
Conversion of convertible preferred stock to common stock and non-voting common stock upon closing of initial public offering				$ 159,411,000
Conversion of convertible preferred stock to common stock and non-voting common stock upon closing of initial public offering, shares				15,616,272
Conversion of convertible preferred stock to common stock and non-voting common stock upon closing of initial public offering		$ 159,412,000								$ 1,000		$ 159,411,000
Conversion of convertible preferred stock to common stock and non-voting common stock upon closing of initial public offering, shares								10,473,138		5,143,134
Exercise of stock options	291,000										291,000
Exercise of stock options, shares							167,390
Vesting of restricted common stock, shares							321,410
Stock-based compensation expense	2,516,000										2,516,000
Net loss	(48,625,000)												(48,625,000)
Balances at Dec. 31, 2021	$ 160,778,000						$ 2,000		$ 1,000		$ 252,933,000		$ (92,158,000)
Balances, shares at Dec. 31, 2021					18,764,463	5,143,134	18,764,463		5,143,134