Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]		Preferred Stock [Member] Series C Convertible Preferred Stock [Member]		Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2021	$ 1			[1]	$ 216,625	$ (183,094)	$ 33,532
Balance, shares at Dec. 31, 2021	8,296,256		1,718
Net loss						(13,646)	(13,646)
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures					1,984		1,984
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures, shares	39,350
Balance at Sep. 30, 2022	$ 1			[1]	218,609	(196,740)	21,870
Balance, shares at Sep. 30, 2022	8,335,606		1,718
Balance at Jun. 30, 2022	$ 1			[2]	217,952	(192,211)	25,742
Balance, shares at Jun. 30, 2022	8,323,200		1,718
Net loss						(4,529)	(4,529)
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures					657		657
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures, shares	12,406
Balance at Sep. 30, 2022	$ 1			[1]	218,609	(196,740)	21,870
Balance, shares at Sep. 30, 2022	8,335,606		1,718
Balance at Dec. 31, 2022	$ 1			[3]	218,977	(201,585)	17,393
Balance, shares at Dec. 31, 2022	8,330,918		1,718
Net loss						(14,511)	(14,511)
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures		[3]			2,841		2,841
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures, shares	2,802,975
Issuance of common shares, pre-funded warrants and warrants, net of $4,635 issuance costs	$ 1				37,533		37,534
Issuance of common shares, pre-funded warrants and warrants, net of $4,635 issuance costs, shares	10,266,270
Balance at Sep. 30, 2023	$ 2			[3]	259,351	(216,096)	43,257
Balance, shares at Sep. 30, 2023	21,400,163		1,718
Balance at Jun. 30, 2023	$ 2			[4]	257,729	(210,918)	46,813
Balance, shares at Jun. 30, 2023	21,192,204		1,718
Net loss						(5,178)	(5,178)
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures		[4]			1,622		1,622
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, net of forfeitures, shares	207,959
Balance at Sep. 30, 2023	$ 2			[3]	$ 259,351	$ (216,096)	$ 43,257
Balance, shares at Sep. 30, 2023	21,400,163		1,718

[1] Represents an amount less than $1 thousand

[2] Represents an amount less than $1 thousand

[3] Represents an amount less than $1 thousand

[4] Represents an amount less than $1 thousand