Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($)	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	$ 1,000			[1]	$ 216,625,000	$ (183,094,000)	$ 33,532,000
Balance, shares at Dec. 31, 2021	8,296,256		1,718
Net loss						(9,117,000)	(9,117,000)
Share-based compensation related to restricted stock, restricted stock units and stock options award, net of forfeitures of 4,563 shares		[1]			1,327,000		1,327,000
Share-based compensation related to restricted stock, restricted stock units and stock options award, net of forfeitures, shares	26,944
Balance at Jun. 30, 2022	$ 1,000			[1]	217,952,000	(192,211,000)	25,742,000
Balance, shares at Jun. 30, 2022	8,323,200		1,718
Balance at Mar. 31, 2022	$ 1,000			[2]	217,278,000	(187,575,000)	29,704,000
Balance, shares at Mar. 31, 2022	8,317,876		1,718
Net loss						(4,636,000)	(4,636,000)
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award		[2]			674,000		674,000
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, shares	5,324
Balance at Jun. 30, 2022	$ 1,000			[1]	217,952,000	(192,211,000)	25,742,000
Balance, shares at Jun. 30, 2022	8,323,200		1,718
Balance at Dec. 31, 2022	$ 1,000			[3]	218,977,000	(201,585,000)	17,393,000
Balance, shares at Dec. 31, 2022	8,330,918		1,718
Net loss						(9,333,000)	(9,333,000)
Share-based compensation related to restricted stock, restricted stock units and stock options award, net of forfeitures, shares	2,595,016
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award		[3]			1,219,000		1,219,000
Issuance of common shares, pre-funded warrants and warrants, net of $4,635 issuance costs	$ 1,000				37,533,000		37,534,000
Issuance of common shares and pre-funded warrants, warrants, net of $4,365 issuance costs, shares	10,266,270
Balance at Jun. 30, 2023	$ 2,000			[3]	257,729,000	(210,918,000)	46,813,000
Balance, shares at Jun. 30, 2023	21,192,204		1,718
Balance at Mar. 31, 2023	$ 1,000			[4]	219,266,000	(205,841,000)	13,426,000
Balance, shares at Mar. 31, 2023	8,326,648		1,718
Net loss						(5,077,000)	(5,077,000)
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award		[4]			930,000		930,000
Share-based compensation related to stock, restricted stock, restricted stock units and stock options award, shares	2,599,286
Issuance of common shares, pre-funded warrants and warrants, net of $4,635 issuance costs	$ 1,000				37,533,000		37,534,000
Issuance of common shares and pre-funded warrants, warrants, net of $4,365 issuance costs, shares	10,266,270
Balance at Jun. 30, 2023	$ 2,000			[3]	$ 257,729,000	$ (210,918,000)	$ 46,813,000
Balance, shares at Jun. 30, 2023	21,192,204		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