CONDENSED STATEMENTS OF STOCKHOLDERS EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Total
Balance at the beginning at Dec. 31, 2020	$ 28	$ 410,551	$ 779	$ (117,637)	$ 293,721
Balance at the beginning (in shares) at Dec. 31, 2020	27,568,802
Increase (Decrease) in Stockholders' Deficit
Stock based compensation		2,508			2,508
Exercise of stock options		63			63
Exercise of stock options (in shares)	35,615
Unrealized gain (loss) on marketable securities, net of tax $0			(600)		(600)
Net loss				(16,533)	(16,533)
Balance at the end at Mar. 31, 2021	$ 28	413,122	179	(134,170)	279,159
Balance at the end (in shares) at Mar. 31, 2021	27,604,417
Balance at the beginning at Dec. 31, 2020	$ 28	410,551	779	(117,637)	293,721
Balance at the beginning (in shares) at Dec. 31, 2020	27,568,802
Increase (Decrease) in Stockholders' Deficit
Net loss					(34,520)
Balance at the end at Jun. 30, 2021	$ 28	415,922	(195)	(152,157)	263,598
Balance at the end (in shares) at Jun. 30, 2021	27,611,555
Balance at the beginning at Mar. 31, 2021	$ 28	413,122	179	(134,170)	279,159
Balance at the beginning (in shares) at Mar. 31, 2021	27,604,417
Increase (Decrease) in Stockholders' Deficit
Stock based compensation		2,787			2,787
Exercise of stock options		13			13
Exercise of stock options (in shares)	7,138
Unrealized gain (loss) on marketable securities, net of tax $0			(374)		(374)
Net loss				(17,987)	(17,987)
Balance at the end at Jun. 30, 2021	$ 28	415,922	(195)	(152,157)	263,598
Balance at the end (in shares) at Jun. 30, 2021	27,611,555
Balance at the beginning at Dec. 31, 2021	$ 28	421,047	(663)	(187,026)	$ 233,386
Balance at the beginning (in shares) at Dec. 31, 2021	27,680,997				27,680,997
Increase (Decrease) in Stockholders' Deficit
Stock based compensation		2,628			$ 2,628
Exercise of stock options		60			60
Exercise of stock options (in shares)	44,165
Unrealized gain (loss) on marketable securities, net of tax $0			(1,536)		(1,536)
Net loss				(20,602)	(20,602)
Balance at the end at Mar. 31, 2022	$ 28	423,735	(2,199)	(207,628)	213,936
Balance at the end (in shares) at Mar. 31, 2022	27,725,162
Balance at the beginning at Dec. 31, 2021	$ 28	421,047	(663)	(187,026)	$ 233,386
Balance at the beginning (in shares) at Dec. 31, 2021	27,680,997				27,680,997
Increase (Decrease) in Stockholders' Deficit
Net loss					$ (38,522)
Balance at the end at Jun. 30, 2022	$ 28	426,056	(2,340)	(225,548)	$ 198,196
Balance at the end (in shares) at Jun. 30, 2022	27,748,844				27,748,844
Balance at the beginning at Mar. 31, 2022	$ 28	423,735	(2,199)	(207,628)	$ 213,936
Balance at the beginning (in shares) at Mar. 31, 2022	27,725,162
Increase (Decrease) in Stockholders' Deficit
Stock based compensation		2,242			2,242
Exercise of stock options		6			6
Exercise of stock options (in shares)	6,255
Issuance of shares under ESPP		73			73
Issuance of shares under ESPP (in shares)	17,427
Unrealized gain (loss) on marketable securities, net of tax $0			(141)		(141)
Net loss				(17,920)	(17,920)
Balance at the end at Jun. 30, 2022	$ 28	$ 426,056	$ (2,340)	$ (225,548)	$ 198,196
Balance at the end (in shares) at Jun. 30, 2022	27,748,844				27,748,844