Condensed Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2022	$ 2	$ 185,364	$ (146,702)	$ 38,664
Balance (in shares) at Dec. 31, 2022	20,374,288
Increase (Decrease) in Stockholders' Equity
Exercise of stock options		13		13
Exercise of stock options (in shares)	3,020
Issuance of common stock under stock incentive plans (in shares)	157,436
Stock-based compensation expense		1,160		1,160
Net Income (Loss)			761	761
Balance at Mar. 31, 2023	$ 2	186,537	(145,941)	40,598
Balance (in shares) at Mar. 31, 2023	20,534,744
Balance at Dec. 31, 2023	$ 2	191,569	(137,650)	53,921
Balance (in shares) at Dec. 31, 2023	21,080,472
Increase (Decrease) in Stockholders' Equity
Exercise of stock options		353		$ 353
Exercise of stock options (in shares)	96,116			96,116
Issuance of common stock under stock incentive plans (in shares)	229,923
Stock-based compensation expense		1,714		$ 1,714
Net Income (Loss)			(202)	(202)
Balance at Mar. 31, 2024	$ 2	$ 193,636	$ (137,852)	$ 55,786
Balance (in shares) at Mar. 31, 2024	21,406,511