Condensed Consolidated Statements of Changes in Redeemable Convertible Preferred Stock and Stockholders’ Equity (Unaudited) - USD ($) $ in Thousands	Series O Redeemable Convertible Preferred Stock	Series P Redeemable Convertible Preferred Stock	Common Stock	Preferred Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Total
Balance at Dec. 31, 2020					$ 186,485	$ (264)	$ (156,603)	$ 29,618
Balance (in Shares) at Dec. 31, 2020			2,054,096	5,559
Issuance of common stock and warrants (net of offering costs of $8,260)					77,989			77,989
Issuance of common stock and warrants (net of offering costs of $8,260) (in Shares)			3,170,935
Exercise of warrants					84			84
Exercise of warrants (in Shares)			4,705
Issuance of common stock for research and development license acquired					531			531
Issuance of common stock for research and development license acquired (in Shares)			36,764
Stock-based compensation					314			314
Stock-based compensation (in Shares)			8,823
Net loss							(5,361)	(5,361)
Balance at Sep. 30, 2021					265,403	(264)	(161,964)	103,175
Balance (in Shares) at Sep. 30, 2021			5,275,323	5,559
Balance at Jun. 30, 2021					265,264	(264)	(161,917)	103,083
Balance (in Shares) at Jun. 30, 2021			5,266,500	5,559
Stock-based compensation					139			139
Stock-based compensation (in Shares)			8,823
Net loss							(47)	(47)
Balance at Sep. 30, 2021					265,403	(264)	(161,964)	103,175
Balance (in Shares) at Sep. 30, 2021			5,275,323	5,559
Balance at Dec. 31, 2021					265,633	(264)	(163,774)	101,595
Balance (in Shares) at Dec. 31, 2021			5,275,329	4,659
Issuance of Series O redeemable convertible preferred stock for cash	$ 11,000
Issuance of Series O redeemable convertible preferred stock for cash (in Shares)	11,000
Issuance of Series P redeemable convertible preferred stock for cash		$ 11,000
Issuance of Series P redeemable convertible preferred stock for cash (in Shares)		11,000
Cost on issuance of Series O and Series P Redeemable Convertible Preferred Stock	$ (1,504)	$ (1,505)
Deemed dividends related to Series O and Series P Redeemable Convertible Preferred Stock	1,504	1,505			(4,109)			(4,109)
Redemption of Series O Redeemable Convertible Preferred Stock	$ (11,000)
Redemption of Series O Redeemable Convertible Preferred Stock (in Shares)	(11,000)
Redemption of Series P Redeemable Convertible Preferred Stock		$ (11,000)
Redemption of Series P Redeemable Convertible Preferred Stock (in Shares)		(11,000)
Purchase of treasury stock						$ (2,237)		(2,237)
Purchase of treasury stock (in Shares)						344,982
Stock-based compensation					1,475			1,475
Stock-based compensation (in Shares)			238,244
Cancellation of common stock related to investment in CBM
Cancellation of common stock related to investment in CBM (in Shares)			(22,812)
Fractional shares adjusted for reverse split					(26)			(26)
Fractional shares adjusted for reverse split (in Shares)			(5,665)
Net loss							(14,851)	(14,851)
Balance at Sep. 30, 2022					262,973	$ (2,501)	(178,625)	81,847
Balance (in Shares) at Sep. 30, 2022			5,485,096	4,659		344,982
Balance at Jun. 30, 2022					261,603	$ (1,750)	(172,386)	87,467
Balance (in Shares) at Jun. 30, 2022			5,246,852	4,659		242,902
Purchase of treasury stock						$ (751)		(751)
Purchase of treasury stock (in Shares)						102,080
Stock-based compensation					1,370			1,370
Stock-based compensation (in Shares)			238,244
Net loss							(6,239)	(6,239)
Balance at Sep. 30, 2022					$ 262,973	$ (2,501)	$ (178,625)	$ 81,847
Balance (in Shares) at Sep. 30, 2022			5,485,096	4,659		344,982