Condensed Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Private Placement	At-The-Market Offering	Common Stock	Common Stock Private Placement	Common Stock At-The-Market Offering	Additional Paid-in Capital	Additional Paid-in Capital Private Placement	Additional Paid-in Capital At-The-Market Offering	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance at Dec. 31, 2020	$ 71,936			$ 2			$ 162,469			$ 29	$ (90,564)
Beginning balance, Shares at Dec. 31, 2020				17,436,978
Issuance of common stock upon exercise of stock options	8						8
Issuance of common stock upon exercise of stock options, Shares				7,932
Issuance of common stock net of issuance costs		$ 75,215			$ 1			$ 75,214
Issuance of common stock net of issuance costs, Shares					14,084,507
Stock-based compensation	1,469						1,469
Net loss	(10,457)										(10,457)
Other comprehensive income (loss)	(26)									(26)
Ending balance at Mar. 31, 2021	138,145			$ 3			239,160			3	(101,021)
Ending Balance, Shares at Mar. 31, 2021				31,529,417
Beginning balance at Dec. 31, 2020	71,936			$ 2			162,469			29	(90,564)
Beginning balance, Shares at Dec. 31, 2020				17,436,978
Net loss	(35,621)
Ending balance at Sep. 30, 2021	115,673			$ 3			241,867			(12)	(126,185)
Ending Balance, Shares at Sep. 30, 2021				31,529,417
Beginning balance at Mar. 31, 2021	138,145			$ 3			239,160			3	(101,021)
Beginning balance, Shares at Mar. 31, 2021				31,529,417
Stock-based compensation	1,434						1,434
Net loss	(11,832)										(11,832)
Other comprehensive income (loss)	(8)									(8)
Ending balance at Jun. 30, 2021	127,739			$ 3			240,594			(5)	(112,853)
Ending Balance, Shares at Jun. 30, 2021				31,529,417
Stock-based compensation	1,273						1,273
Net loss	(13,332)										(13,332)
Other comprehensive income (loss)	(7)									(7)
Ending balance at Sep. 30, 2021	115,673			$ 3			241,867			(12)	(126,185)
Ending Balance, Shares at Sep. 30, 2021				31,529,417
Beginning balance at Dec. 31, 2021	101,340			$ 3			243,115			(42)	(141,736)
Beginning balance, Shares at Dec. 31, 2021				31,545,564
Stock-based compensation	1,239						1,239
Net loss	(15,517)										(15,517)
Other comprehensive income (loss)	(79)									(79)
Ending balance at Mar. 31, 2022	86,983			$ 3			244,354			(121)	(157,253)
Ending Balance, Shares at Mar. 31, 2022				31,545,564
Beginning balance at Dec. 31, 2021	101,340			$ 3			243,115			(42)	(141,736)
Beginning balance, Shares at Dec. 31, 2021				31,545,564
Net loss	(46,925)
Ending balance at Sep. 30, 2022	68,379			$ 3			257,100			(63)	(188,661)
Ending Balance, Shares at Sep. 30, 2022				33,125,954
Beginning balance at Mar. 31, 2022	86,983			$ 3			244,354			(121)	(157,253)
Beginning balance, Shares at Mar. 31, 2022				31,545,564
Stock-based compensation	1,355						1,355
Issuance of common stock under employee share purchase plan	105						105
Issuance of common stock under employee share purchase plan, Shares				41,929
Net loss	(16,268)										(16,268)
Other comprehensive income (loss)	14									14
Ending balance at Jun. 30, 2022	72,189			$ 3			245,814			(107)	(173,521)
Ending Balance, Shares at Jun. 30, 2022				31,587,493
Issuance of common stock net of issuance costs			$ 9,700						$ 9,700
Issuance of common stock net of issuance costs, Shares						1,538,461
Stock-based compensation	1,586						1,586
Net loss	(15,140)										(15,140)
Other comprehensive income (loss)	44									44
Ending balance at Sep. 30, 2022	$ 68,379			$ 3			$ 257,100			$ (63)	$ (188,661)
Ending Balance, Shares at Sep. 30, 2022				33,125,954