Condensed Statement of Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Series A Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Balance at Beginning at Dec. 31, 2020	$ 776	$ 7,935	$ 28	$ 14,166	$ (21,353)
Balance at Beginning (in Shares) at Dec. 31, 2020		6,687,475	37,366,865
Issuance of common stock upon exercise of stock options	570		$ 2	568
Issuance of common stock upon exercise of stock options, shares			690,551
Share-based compensation expense	402			402
Net loss	(2,432)				(2,432)
Balance at Ending at Mar. 31, 2021	(684)	$ 7,935	$ 30	15,136	(23,785)
Balance at Ending (in Shares) at Mar. 31, 2021		6,687,475	38,057,416
Balance at Beginning at Dec. 31, 2021	93,073		$ 45	134,933	(41,905)
Balance at Beginning (in Shares) at Dec. 31, 2021			54,181,082
Issuance of common stock upon exercise of stock options	1,372		$ 1	1,371
Issuance of common stock upon exercise of stock options, shares			1,097,860
Share-based compensation expense	1,409			1,409
Net loss	(9,036)				(9,036)
Balance at Ending at Mar. 31, 2022	$ 86,818		$ 46	$ 137,713	$ (50,941)
Balance at Ending (in Shares) at Mar. 31, 2022			55,278,942