CONDENSED STATEMENTS OF CHANGES IN REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Series A Redeemable Convertible Preferred Stock	Common Stock	Common Stock At The Market	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2021	$ 54,879		$ 110		$ 132,363	$ (77,594)
Beginning Balance, Shares at Dec. 31, 2021			10,990,000
Stock-based compensation	1,607				1,607
Restricted stock awards cancelled			(5,000)
Net loss	(6,674)					(6,674)
Ending Balance at Mar. 31, 2022	49,812		$ 110		133,970	(84,268)
Ending Balance, Shares at Mar. 31, 2022			10,985,000
Beginning Balance at Dec. 31, 2021	54,879		$ 110		132,363	(77,594)
Beginning Balance, Shares at Dec. 31, 2021			10,990,000
Net loss	(17,424)
Ending Balance at Sep. 30, 2022	42,583		$ 110		137,491	(95,018)
Ending Balance, Shares at Sep. 30, 2022			11,023,000
Beginning Balance at Mar. 31, 2022	49,812		$ 110		133,970	(84,268)
Beginning Balance, Shares at Mar. 31, 2022			10,985,000
Stock-based compensation	1,637				1,637
Issuance of common stock under the 2020 ESPP	212				212
Issuance of common stock under the 2020 ESPP, Shares			37,000
Restricted stock awards cancelled			(1,000)
Net loss	(6,759)					(6,759)
Ending Balance at Jun. 30, 2022	44,902		$ 110		135,819	(91,027)
Ending Balance, Shares at Jun. 30, 2022			11,021,000
Stock-based compensation	1,672				1,672
Issuance of common stock, Shares				2,000
Net loss	(3,991)					(3,991)
Ending Balance at Sep. 30, 2022	42,583		$ 110		137,491	(95,018)
Ending Balance, Shares at Sep. 30, 2022			11,023,000
Beginning Balance at Dec. 31, 2022
Beginning Balance, Shares at Dec. 31, 2022	0
Beginning Balance at Dec. 31, 2022	$ 41,984		$ 111		139,381	(97,508)
Beginning Balance, Shares at Dec. 31, 2022			11,093,000
Stock-based compensation	1,726				1,726
Issuance of common stock, Shares			15,000
Restricted stock awards cancelled			(5,000)
Net loss	(4,272)					(4,272)
Ending Balance at Mar. 31, 2023	39,438		$ 111		141,107	(101,780)
Ending Balance, Shares at Mar. 31, 2023			11,103,000
Beginning Balance at Dec. 31, 2022
Beginning Balance, Shares at Dec. 31, 2022	0
Beginning Balance at Dec. 31, 2022	$ 41,984		$ 111		139,381	(97,508)
Beginning Balance, Shares at Dec. 31, 2022			11,093,000
Net loss	(10,457)
Ending Balance at Sep. 30, 2023	$ 13,747
Ending Balance, Shares at Sep. 30, 2023	20,000	20,000
Ending Balance at Sep. 30, 2023	$ 36,383	$ 13,747	$ 112		144,236	(107,965)
Ending Balance, Shares at Sep. 30, 2023			11,246,000
Beginning Balance at Mar. 31, 2023	39,438		$ 111		141,107	(101,780)
Beginning Balance, Shares at Mar. 31, 2023			11,103,000
Stock-based compensation	1,824				1,824
Issuance of Series A Redeemable Convertible Preferred Stock, net of offering costs		$ 13,747
Issuance of Series A Convertible Preferred Stock, net of offering costs, Shares		20,000
Issuance of common stock under the 2020 ESPP	181		$ 1		180
Issuance of common stock under the 2020 ESPP, Shares			71,000
Issuance of common stock under the 2020 Plan			$ (1)
Issuance of common stock under the 2020 Plan, Shares			26,000
Net loss	(8,753)					(8,753)
Ending Balance, Shares at Jun. 30, 2023		20,000
Ending Balance at Jun. 30, 2023	32,690	$ 13,747	$ 112		143,111	(110,533)
Ending Balance, Shares at Jun. 30, 2023			11,199,000
Stock-based compensation	1,173				1,173
Issuance of common stock under the 2020 Plan, net of forfeitures, Shares			47,000
Issuance of common stock under the 2020 Plan, net of forfeitures	(48)				(48)
Net loss	2,568					2,568
Ending Balance at Sep. 30, 2023	$ 13,747
Ending Balance, Shares at Sep. 30, 2023	20,000	20,000
Ending Balance at Sep. 30, 2023	$ 36,383	$ 13,747	$ 112		$ 144,236	$ (107,965)
Ending Balance, Shares at Sep. 30, 2023			11,246,000