Consolidated Statements of Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Beginning balance at Dec. 31, 2019	$ 5	$ 2,476	$ (65,649)	$ (63,168)
Beginning balance (in shares) at Dec. 31, 2019	4,990,702
Increase (Decrease) in Stockholders' Equity
Accretion of redeemable convertible preferred stock to redemption value		(90)		(90)
Conversion of preferred stock to common stock upon initial public offering	$ 15	71,092		71,107
Conversion of preferred stock to common stock upon initial public offering (in shares)	14,691,929
Issuance of common stock, net of issuance costs	$ 7	136,556		136,563
Issuance of common stock, net of issuance costs (in shares)	7,475,000
Conversion of preferred stock warrants into common stock warrants upon initial public offering		6,870		6,870
Issuance of common stock upon exercise of common stock warrants (in shares)	55,994
Issuance of common stock upon exercise of stock options		53		53
Issuance of common stock upon exercise of stock options (in shares)	59,470
Stock-based compensation expense		525		525
Net loss			(12,819)	(12,819)
Ending balance at Dec. 31, 2020	$ 27	217,482	(78,468)	139,041
Ending balance (in shares) at Dec. 31, 2020	27,273,095
Increase (Decrease) in Stockholders' Equity
Issuance of common stock, net of issuance costs	$ 3	94,373		94,376
Issuance of common stock, net of issuance costs (in shares)	3,150,000
Issuance of common stock upon exercise of stock options	$ 1	851		852
Issuance of common stock upon exercise of stock options (in shares)	653,735
Stock-based compensation expense		2,504		2,504
Vesting of restricted stock units	174
Net loss			(22,169)	(22,169)
Ending balance at Dec. 31, 2021	$ 31	$ 315,210	$ (100,637)	$ 214,604
Ending balance (in shares) at Dec. 31, 2021	31,077,004