Condensed Consolidated Statements of Changes in Redeemable Convertible Preferred Stock and Stockholders’ Equity (Unaudited) - USD ($) $ in Thousands	Redeemable Convertible Preferred Stock Series O	Redeemable Convertible Preferred Stock Series P	Preferred Stock	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Total
Balance at Dec. 31, 2021					$ 265,633	$ (264)	$ (163,774)	$ 101,595
Balance (in Shares) at Dec. 31, 2021			4,659	5,275,329		0
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			(3,009)			(3,009)
Cancellation of common stock related to investment in CBM
Cancellation of common stock related to investment in CBM (in Shares)				(22,812)
Net loss							(3,535)	(3,535)
Balance at Mar. 31, 2022	$ 11,000	$ 11,000			262,624	$ (264)	(167,310)	95,051
Balance (in Shares) at Mar. 31, 2022	11,000	11,000	4,659	5,252,517		0
Balance at Dec. 31, 2022					262,970	$ (3,322)	(185,881)	73,767
Balance (in Shares) at Dec. 31, 2022			4,659	5,485,096		468,017
Stock-based compensation					5			5
Stock-based compensation (in Shares)
Cancellation of common stock
Cancellation of common stock (in Shares)				(25,000)
Purchase of treasury stock						$ (939)		(939)
Purchase of treasury stock (in Shares)						236,630
Retirement of treasury stock					(3,760)	$ 3,760
Retirement of treasury stock (in Shares)				(644,499)		(644,499)
Net loss							(3,762)	(3,762)
Balance at Mar. 31, 2023					$ 259,215	$ (501)	$ (189,643)	$ 69,071
Balance (in Shares) at Mar. 31, 2023			4,659	4,815,597		60,148