Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Series E Convertible Preferred Stock [Member] Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2021		$ 108	$ 73,801	$ (76,938)	$ (3,029)
Temporary equity, beginning balance at Dec. 31, 2021
Beginning balance, shares at Dec. 31, 2021		10,760,871
Share-based compensation expense			756		756
Net loss				(4,578)	(4,578)
Preferred stock dividends			(95)		(95)
Temporary equity, preferred stock dividends	95
Issuance of common stock, net of offering costs		$ 8	5,052		5,060
Issuance of common stock, net of offering costs, shares		854,771
Issuance of series E convertible preferred stock
Issuance of series E convertible preferred stock	4,000
Ending balance, value at Sep. 30, 2022		$ 116	79,514	(81,516)	(1,886)
Temporary equity, ending balance at Sep. 30, 2022	4,095
Ending balance, shares at Sep. 30, 2022		11,615,642
Beginning balance, value at Jun. 30, 2022		$ 116	79,347	(80,460)	(997)
Temporary equity, beginning balance at Jun. 30, 2022	4,018
Beginning balance, shares at Jun. 30, 2022		11,615,642
Share-based compensation expense			244		244
Net loss				(1,056)	(1,056)
Preferred stock dividends			(77)		(77)
Temporary equity, preferred stock dividends	77
Ending balance, value at Sep. 30, 2022		$ 116	79,514	(81,516)	(1,886)
Temporary equity, ending balance at Sep. 30, 2022	4,095
Ending balance, shares at Sep. 30, 2022		11,615,642
Beginning balance, value at Dec. 31, 2022		$ 122	79,698	(83,011)	(3,191)
Temporary equity, beginning balance at Dec. 31, 2022	4,180				4,180
Beginning balance, shares at Dec. 31, 2022		12,174,467
Share-based compensation expense			2,854		2,854
Net loss				(7,119)	(7,119)
Preferred stock dividends			(77)		(77)
Temporary equity, preferred stock dividends	77
Conversion of preferred stock for common stock		$ 7	4,250		4,257
Temporary equity, conversion of preferred stock for common stock	(4,257)
Conversion of preferred stock for common stock, shares		706,626
Issuance of common stock, net of offering costs		$ 10	5,982		5,992
Issuance of common stock, net of offering costs, shares		1,000,967
Ending balance, value at Sep. 30, 2023		$ 139	92,707	(90,130)	2,716
Temporary equity, ending balance at Sep. 30, 2023
Ending balance, shares at Sep. 30, 2023		13,882,060
Beginning balance, value at Jun. 30, 2023		$ 139	92,172	(88,515)	3,796
Temporary equity, beginning balance at Jun. 30, 2023
Beginning balance, shares at Jun. 30, 2023		13,882,060
Share-based compensation expense			535		535
Net loss				(1,615)	(1,615)
Ending balance, value at Sep. 30, 2023		$ 139	$ 92,707	$ (90,130)	2,716
Temporary equity, ending balance at Sep. 30, 2023
Ending balance, shares at Sep. 30, 2023		13,882,060