Condensed Consolidated Statements of Changes in Redeemable Convertible Preferred Stock and Stockholders’ Equity - 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
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)
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)
Repurchase of treasury stock						$ (1,486)		(1,486)
Repurchase of treasury stock (in Shares)						242,902
Stock-based compensation					105			105
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							(8,612)	(8,612)
Balance at Jun. 30, 2022					261,603	$ (1,750)	(172,386)	87,467
Balance (in Shares) at Jun. 30, 2022			4,659	5,246,852		242,902
Balance at Mar. 31, 2022	$ 11,000	$ 11,000			262,624	$ (264)	(167,309)	95,051
Balance (in Shares) at Mar. 31, 2022	11,000	11,000	4,659	5,252,517
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)
Deemed dividends related to Series O and Series P Redeemable Convertible Preferred Stock					(1,100)			(1,100)
Repurchase of treasury stock						$ (1,486)		(1,486)
Repurchase of treasury stock (in Shares)						242,902
Stock-based compensation					105			105
Fractional shares adjusted for reverse split					(26)			(26)
Fractional shares adjusted for reverse split (in Shares)				(5,665)
Net loss							(5,077)	(5,077)
Balance at Jun. 30, 2022					261,603	$ (1,750)	(172,386)	87,467
Balance (in Shares) at Jun. 30, 2022			4,659	5,246,852		242,902
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					1,375			1,375
Stock-based compensation (in Shares)				529,715
Cancellation of common stock
Cancellation of common stock (in Shares)				(25,000)
Purchase of treasury stock (in Shares)						(939,000)		(939,000)
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							(12,425)	(12,425)
Balance at Jun. 30, 2023					260,585	$ (501)	(198,306)	61,778
Balance (in Shares) at Jun. 30, 2023			4,659	5,345,312		60,148
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
Stock-based compensation					1,370			1,370
Stock-based compensation (in Shares)				529,715
Net loss							(8,663)	(8,663)
Balance at Jun. 30, 2023					$ 260,585	$ (501)	$ (198,306)	$ 61,778
Balance (in Shares) at Jun. 30, 2023			4,659	5,345,312		60,148