CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Beginning balance at Dec. 31, 2020	$ 27	$ 217,482	$ (78,468)	$ 139,041
Beginning balance (in shares) at Dec. 31, 2020	27,273,095
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon exercise of stock options		27		27
Issuance of common stock upon exercise of stock options (in shares)	24,776
Stock-based compensation expense		339		339
Net loss			(6,095)	(6,095)
Ending balance at Mar. 31, 2021	$ 27	217,848	(84,563)	133,312
Ending balance (in shares) at Mar. 31, 2021	27,297,871
Beginning balance at Dec. 31, 2020	$ 27	217,482	(78,468)	139,041
Beginning balance (in shares) at Dec. 31, 2020	27,273,095
Increase (Decrease) in Stockholders' Equity
Net loss				(13,519)
Ending balance at Jun. 30, 2021	$ 28	218,626	(91,987)	126,667
Ending balance (in shares) at Jun. 30, 2021	27,548,105
Beginning balance at Dec. 31, 2020	$ 27	217,482	(78,468)	139,041
Beginning balance (in shares) at Dec. 31, 2020	27,273,095
Increase (Decrease) in Stockholders' Equity
Net loss				(22,200)
Ending balance at Dec. 31, 2021	$ 31	315,210	(100,637)	214,604
Ending balance (in shares) at Dec. 31, 2021	31,077,004
Beginning balance at Mar. 31, 2021	$ 27	217,848	(84,563)	133,312
Beginning balance (in shares) at Mar. 31, 2021	27,297,871
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon exercise of stock options	$ 1	297		298
Issuance of common stock upon exercise of stock options (in shares)	250,234
Stock-based compensation expense		481		481
Net loss			(7,424)	(7,424)
Ending balance at Jun. 30, 2021	$ 28	218,626	(91,987)	126,667
Ending balance (in shares) at Jun. 30, 2021	27,548,105
Beginning balance at Dec. 31, 2021	$ 31	315,210	(100,637)	214,604
Beginning balance (in shares) at Dec. 31, 2021	31,077,004
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon exercise of stock options		324		324
Issuance of common stock upon exercise of stock options (in shares)	243,842
Stock-based compensation expense		1,289		1,289
Vesting of restricted stock units	12,936
Net loss			(9,415)	(9,415)
Ending balance at Mar. 31, 2022	$ 31	316,823	(110,052)	206,802
Ending balance (in shares) at Mar. 31, 2022	31,333,782
Beginning balance at Dec. 31, 2021	$ 31	315,210	(100,637)	214,604
Beginning balance (in shares) at Dec. 31, 2021	31,077,004
Increase (Decrease) in Stockholders' Equity
Net loss				(17,514)
Ending balance at Jun. 30, 2022	$ 32	319,234	(118,151)	201,115
Ending balance (in shares) at Jun. 30, 2022	31,531,115
Beginning balance at Mar. 31, 2022	$ 31	316,823	(110,052)	206,802
Beginning balance (in shares) at Mar. 31, 2022	31,333,782
Increase (Decrease) in Stockholders' Equity
Issuance of common stock upon exercise of stock options	$ 1	275		276
Issuance of common stock upon exercise of stock options (in shares)	164,638
Stock-based compensation expense		1,894		1,894
Issuance of common stock upon ESPP purchase of stock options		242		242
Issuance of common stock upon ESPP purchase of stock options (in shares)	16,052
Vesting of restricted stock units	16,643
Net loss			(8,099)	(8,099)
Ending balance at Jun. 30, 2022	$ 32	$ 319,234	$ (118,151)	$ 201,115
Ending balance (in shares) at Jun. 30, 2022	31,531,115