Condensed Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance at Dec. 31, 2020	$ 359,121		$ 469,001		$ (109,880)
Balance, Shares at Dec. 31, 2020		44,777,818
Exercise of stock options	162		162
Exercise of stock options, Shares		103,351
Stock-based compensation expense	627		627
Net loss	(11,602)				(11,602)
Unrealized (gain) loss on available for sale investments	(13)			$ (13)
Balance at Mar. 31, 2021	348,295		469,790	(13)	(121,482)
Balance, Shares at Mar. 31, 2021		44,881,169
Balance at Dec. 31, 2020	359,121		469,001		(109,880)
Balance, Shares at Dec. 31, 2020		44,777,818
Net loss	(24,476)
Balance at Jun. 30, 2021	337,847		472,196	7	(134,356)
Balance, Shares at Jun. 30, 2021		45,213,567
Balance at Mar. 31, 2021	348,295		469,790	(13)	(121,482)
Balance, Shares at Mar. 31, 2021		44,881,169
Exercise of stock options and common stock issued under the 2020 ESPP	1,256		1,256
Exercise of stock options and common stock issued under the 2020 ESPP, Shares		332,398
Stock-based compensation expense	1,150		1,150
Net loss	(12,874)				(12,874)
Unrealized (gain) loss on available for sale investments	20			20
Balance at Jun. 30, 2021	337,847		472,196	7	(134,356)
Balance, Shares at Jun. 30, 2021		45,213,567
Balance at Dec. 31, 2021	308,559		476,363	(78)	(167,726)
Balance, Shares at Dec. 31, 2021		45,433,684
Exercise of stock options	128		128
Exercise of stock options, Shares		98,708
Stock-based compensation expense	2,177		2,177
Net loss	(18,433)				(18,433)
Unrealized (gain) loss on available for sale investments	(588)			(588)
Balance at Mar. 31, 2022	291,843		478,668	(666)	(186,159)
Balance, Shares at Mar. 31, 2022		45,532,392
Balance at Dec. 31, 2021	$ 308,559		476,363	(78)	(167,726)
Balance, Shares at Dec. 31, 2021		45,433,684
Exercise of stock options, Shares	170,472
Net loss	$ (35,743)
Balance at Jun. 30, 2022	276,970		481,462	(1,023)	(203,469)
Balance, Shares at Jun. 30, 2022		45,622,610
Balance at Mar. 31, 2022	291,843		478,668	(666)	(186,159)
Balance, Shares at Mar. 31, 2022		45,532,392
Exercise of stock options and common stock issued under the 2020 ESPP	276		276
Exercise of stock options and common stock issued under the 2020 ESPP, Shares		90,218
Stock-based compensation expense	2,518		2,518
Net loss	(17,310)				(17,310)
Unrealized (gain) loss on available for sale investments	(357)			(357)
Balance at Jun. 30, 2022	$ 276,970		$ 481,462	$ (1,023)	$ (203,469)
Balance, Shares at Jun. 30, 2022		45,622,610