Statements of Convertible Preferred Stock and Stockholders' (Deficit) Equity - USD ($) $ in Thousands	Preferred Stock [Member] Convertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2020	$ 12,451	$ 1	$ 303		$ (14,960)	$ (14,656)
Balance, shares at Dec. 31, 2020	3,535,469	2,233,139
Conversion of convertible preferred stock to common stock upon initial public offering	$ (12,451)		12,451			12,451
Conversion of convertible preferred stock to common stock upon initial public offering, shares	(3,535,469)	3,535,469
Conversion of convertible notes and accrued interest to units upon initial public offering			5,279			5,279
Conversion of convertible notes and accrued interest to common stock upon initial public offering, shares		708,820
Reclassification of derivative liability upon conversion of convertible notes			1,101			1,101
Proceeds from initial public offering, net of underwriters’ commissions, discounts and issuance costs of $2,090			14,563			14,563
Proceeds from initial public offering, net of underwriters commissions, discounts and issuance costs of $2,090, shares		1,850,000
Issuance of common stock upon exercise of warrants issued upon initial public offering			2,681			2,681
Issuance of common stock upon exercise of warrants issued upon initial public offering, shares		248,200
Reverse stock split adjustment
Reverse stock split adjustment, shares		29
Issuance of common stock upon exercise of stock options			107			107
Issuance of common stock upon exercise of stock options, shares		358,332
Stock-based compensation expense			147			147
Net loss					(6,324)	(6,324)
Balance at Dec. 31, 2021		$ 1	36,632		(21,284)	15,349
Balance, shares at Dec. 31, 2021		8,933,989
Issuance of common stock upon exercise of stock options			42			$ 42
Issuance of common stock upon exercise of stock options, shares		160,212				160,212
Stock-based compensation expense			630			$ 630
Net loss					(9,889)	(9,889)
Issuance of restricted stock awards			14			14
Issuance of restricted stock awards, shares		3,500
Other comprehensive income				17		17
Balance at Dec. 31, 2022		$ 1	$ 37,318	$ 17	$ (31,173)	$ 6,163
Balance, shares at Dec. 31, 2022		9,097,701