Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2021	$ 1,081		$ 301,008	$ (254,640)	$ 47,449
Balance, shares at Dec. 31, 2021	1,830	3,222,037
Stock-based compensation			281		281
Net loss				(4,973)	(4,973)
Conversion of preferred stock to common stock	$ (541)		541
Conversion of preferred stock to common stock, shares	(915)	76,250
Adjustment due to reverse stock split
Adjustment due to reverse stock split, shares		12,635
Balance at Mar. 31, 2022	$ 540		301,830	(259,613)	42,757
Balance, shares at Mar. 31, 2022	915	3,310,922
Balance at Dec. 31, 2021	$ 1,081		301,008	(254,640)	47,449
Balance, shares at Dec. 31, 2021	1,830	3,222,037
Net loss					(9,568)
Balance at Jun. 30, 2022			302,647	(264,208)	38,439
Balance, shares at Jun. 30, 2022		3,387,172
Balance at Mar. 31, 2022	$ 540		301,830	(259,613)	42,757
Balance, shares at Mar. 31, 2022	915	3,310,922
Stock-based compensation			277		277
Net loss				(4,595)	(4,595)
Conversion of preferred stock to common stock	$ (540)		540
Conversion of preferred stock to common stock, shares	(915)	76,250
Balance at Jun. 30, 2022			302,647	(264,208)	38,439
Balance, shares at Jun. 30, 2022		3,387,172
Balance at Dec. 31, 2022			304,585	(273,476)	31,109
Balance, shares at Dec. 31, 2022		3,639,185
Issuance of common stock, net of issuance costs			53		53
Issuance of common stock, net of issuance costs, shares		13,100
Stock-based compensation			296		296
Net loss				(4,448)	(4,448)
Balance at Mar. 31, 2023			304,934	(277,924)	27,010
Balance, shares at Mar. 31, 2023		3,652,285
Balance at Dec. 31, 2022			304,585	(273,476)	31,109
Balance, shares at Dec. 31, 2022		3,639,185
Net loss					(8,264)
Balance at Jun. 30, 2023			305,189	(281,740)	23,449
Balance, shares at Jun. 30, 2023		3,652,285
Balance at Mar. 31, 2023			304,934	(277,924)	27,010
Balance, shares at Mar. 31, 2023		3,652,285
Stock-based compensation			255		255
Net loss				(3,816)	(3,816)
Balance at Jun. 30, 2023			$ 305,189	$ (281,740)	$ 23,449
Balance, shares at Jun. 30, 2023		3,652,285