Condensed Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2021	$ 13,272		$ 32,818	$ (19,546)
Beginning Balance (Shares) at Dec. 31, 2021		97,153
Stock-based compensation expense	61		61
Net loss	(2,240)			(2,240)
Ending Balance at Mar. 31, 2022	11,093		32,879	(21,786)
Ending Balance (Shares) at Mar. 31, 2022		97,153
Beginning Balance at Dec. 31, 2021	13,272		32,818	(19,546)
Beginning Balance (Shares) at Dec. 31, 2021		97,153
Net loss	(7,842)
Ending Balance at Sep. 30, 2022	5,772		33,160	(27,388)
Ending Balance (Shares) at Sep. 30, 2022		96,778
Beginning Balance at Mar. 31, 2022	11,093		32,879	(21,786)
Beginning Balance (Shares) at Mar. 31, 2022		97,153
Repurchase of common stock (in shares)		(938)
Stock-based compensation expense	112		112
Net loss	(3,018)			(3,018)
Ending Balance at Jun. 30, 2022	8,187		32,991	(24,804)
Ending Balance (Shares) at Jun. 30, 2022		96,215
Exercise of stock options (in shares)		563
Exercise of stock options	56		56
Stock-based compensation expense	113		113
Net loss	(2,584)			(2,584)
Ending Balance at Sep. 30, 2022	5,772		33,160	(27,388)
Ending Balance (Shares) at Sep. 30, 2022		96,778
Beginning Balance at Dec. 31, 2022	3,630		33,272	(29,642)
Beginning Balance (Shares) at Dec. 31, 2022		96,778
Issuance of common stock (in shares)		200,000
Issuance of common stock	3,412		3,412
Issuance of warrants	195		195
Stock-based compensation expense	84		84
Net loss	(2,116)			(2,116)
Ending Balance at Mar. 31, 2023	5,205		36,963	(31,758)
Ending Balance (Shares) at Mar. 31, 2023		296,778
Beginning Balance at Dec. 31, 2022	3,630		33,272	(29,642)
Beginning Balance (Shares) at Dec. 31, 2022		96,778
Net loss	(6,001)
Ending Balance at Sep. 30, 2023	5,765		41,408	(35,643)
Ending Balance (Shares) at Sep. 30, 2023		1,466,092
Beginning Balance at Mar. 31, 2023	5,205		36,963	(31,758)
Beginning Balance (Shares) at Mar. 31, 2023		296,778
Stock-based compensation expense	81		81
Net loss	(2,125)			(2,125)
Ending Balance at Jun. 30, 2023	3,161		37,044	(33,883)
Ending Balance (Shares) at Jun. 30, 2023		296,778
Issuance of common stock (in shares)		1,169,230
Issuance of common stock	4,148		4,148
Issuance of warrants	168		168
Stock-based compensation expense	48		48
Issuance of fractional shares		84
Net loss	(1,760)			(1,760)
Ending Balance at Sep. 30, 2023	$ 5,765		$ 41,408	$ (35,643)
Ending Balance (Shares) at Sep. 30, 2023		1,466,092