Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Accumulated Deficit [Member]	Non Controlling Interest [Member]	Series C Preferred Stock [Member]	Class A [Member]	Class B [Member]
Beginning Balance at Dec. 31, 2017	$ 707	$ 177,612	$ (2,662)	$ (191,706)	$ 16,986	$ 442	$ 33	$ 2
Beginning Balance, shares at Dec. 31, 2017						579	3,295	220
Stock compensation and issuances	860	856	0	0	0	$ 0	$ 4	$ 0
Stock compensation and issuances, shares						0	427	0
Accrued Liability settled through issuance of stock	131	131	0	0	0	$ 0	$ 0	$ 0
Accrued Liability settled through issuance of stock, shares						0	0
Shares withheld related to net share settlement of restricted stock awards	(38)	(38)	0	0	0	$ 0	$ 0	$ 0
Shares withheld related to net share settlement of restricted stock awards, shares						0	(19)	0
Series C preferred stock conversion of CGF I & II	9,822	3,071	0	0	0	$ 6,751	$ 0	$ 0
Series C preferred stock conversion of CGF I & II, Shares						2,221	0	0
Non-controlling interest distributions	(1,750)	0	0	0	(1,750)	$ 0	$ 0	$ 0
Gain on deconsolidation of discontinued operations	0
Net (loss) income	(3,915)	0	0	(4,385)	470	0	0	0
Ending Balance at Dec. 31, 2018	5,817	181,632	(2,662)	(196,091)	15,706	$ 7,193	$ 37	$ 2
Ending Balance, shares at Dec. 31, 2018						2,800	3,703	220
Stock compensation and issuances	510	509	0	0	0	$ 0	$ 1	$ 0
Stock compensation and issuances, shares						0	71	0
Accrued Liability settled through issuance of stock	141	141	0	0	0	$ 0	$ 0	$ 0
Accrued Liability settled through issuance of stock, shares						0	63
Shares withheld related to net share settlement of restricted stock awards	0	0	0	0	0	$ 0	$ 0	$ 0
Shares withheld related to net share settlement of restricted stock awards, shares						0	(12)	0
Warrant exercises	360	358	0	0	0	$ 0	$ 2	$ 0
Warrant exercises, shares						0	200	0
Class A stock conversion of non-controlling interest	69	16,050	0	0	(16,019)	$ 0	$ 38	$ 0
Class A stock conversion of non-controlling interest, shares						0	3,824	0
Series C conversion of non-controlling interest	(428)	0	0	0	0	$ (428)	$ 0	$ 0
Series C conversion of non-controlling interest, shares						641	0	0
Gain on deconsolidation of discontinued operations	682	682	0	0	0	$ 0	$ 0	$ 0
Net (loss) income	1,206	0	0	893	313	0	0	0
Ending Balance at Dec. 31, 2019	$ 8,357	$ 199,372	$ (2,662)	$ (195,198)	$ 0	$ 6,765	$ 78	$ 2
Ending Balance, shares at Dec. 31, 2019						3,441	7,849	220