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					2,637		2,637
Exercise of stock options					32		32
Exercise of stock options (shares)				17,012
Net loss						(20,577)	(20,577)
Balance at Jun. 30, 2022				$ 1	129,958	(99,682)	30,277
Balance (shares) at Jun. 30, 2022				12,127,385
Balance at Mar. 31, 2022				$ 1	128,631	(90,758)	37,874
Balance (shares) at Mar. 31, 2022				12,127,385
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense					1,327		1,327
Net loss						(8,924)	(8,924)
Balance at Jun. 30, 2022				$ 1	129,958	(99,682)	30,277
Balance (shares) at Jun. 30, 2022				12,127,385
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					2,198		2,198
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					59		59
Vesting of restricted stock awards (shares)				10,415
Net loss						(9,827)	(9,827)
Balance at Jun. 30, 2023				$ 1	135,165	(125,828)	9,338
Balance (shares) at Jun. 30, 2023				12,200,433
Balance at Mar. 31, 2023				$ 1	134,132	(120,271)	13,862
Balance (shares) at Mar. 31, 2023				12,194,184
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense					998		998
Vesting of restricted stock awards					35		35
Vesting of restricted stock awards (shares)				6,249
Net loss						(5,557)	(5,557)
Balance at Jun. 30, 2023				$ 1	$ 135,165	$ (125,828)	$ 9,338
Balance (shares) at Jun. 30, 2023				12,200,433