Condensed Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	ATM Common stock.	ATM Additional paid-in capital	ATM	Common stock.	Additional paid-in capital	Accumulated deficit	Total
Balance at Dec. 31, 2021				$ 1	$ 127,289	$ (79,105)	$ 48,185
Balance (shares) at Dec. 31, 2021				12,110,373
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense					3,977		3,977
Exercise of stock options					32		32
Exercise of stock options (shares)				17,221
Net loss						(29,110)	(29,110)
Balance at Sep. 30, 2022				$ 1	131,298	(108,215)	23,084
Balance (shares) at Sep. 30, 2022				12,127,594
Balance at Jun. 30, 2022				$ 1	129,958	(99,682)	30,277
Balance (shares) at Jun. 30, 2022				12,127,385
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense					1,340		1,340
Exercise of stock options (shares)				209
Net loss						(8,533)	(8,533)
Balance at Sep. 30, 2022				$ 1	131,298	(108,215)	23,084
Balance (shares) at Sep. 30, 2022				12,127,594
Balance at Dec. 31, 2022				$ 1	132,653	(116,001)	16,653
Balance (shares) at Dec. 31, 2022				12,128,843
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense					3,270		3,270
Issuance of common stock		$ 34	$ 34		221		221
Issuance of common stock ( in shares)	5,925		5,925	55,250
Vesting of restricted stock awards					70		70
Vesting of restricted stock awards (shares)				12,498
Net loss						(14,172)	(14,172)
Balance at Sep. 30, 2023				$ 1	136,248	(130,173)	6,076
Balance (shares) at Sep. 30, 2023				12,202,516
Balance at Jun. 30, 2023				$ 1	135,165	(125,828)	9,338
Balance (shares) at Jun. 30, 2023				12,200,433
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense					1,072		1,072
Vesting of restricted stock awards					11		11
Vesting of restricted stock awards (shares)				2,083
Net loss						(4,345)	(4,345)
Balance at Sep. 30, 2023				$ 1	$ 136,248	$ (130,173)	$ 6,076
Balance (shares) at Sep. 30, 2023				12,202,516