CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Noncontrolling Interest [Member]	Total
Beginning balance at Dec. 31, 2018	$ 78	$ 4,310	$ 17	$ (139,129)	$ 2,621	$ (132,103)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	(2,921)	1,705	(1,216)
Distributions	0	0	0	0	(1,403)	(1,403)
Ending balance at Sep. 30, 2019	78	4,310	17	(142,050)	2,923	(134,722)
Beginning balance at Jun. 30, 2019	78	4,310	19	(144,283)	1,857	(138,019)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	2,233	1,485	3,718
Foreign currency translation loss	0	0	(2)	0	0	(2)
Distributions	0	0	0	0	(419)	(419)
Ending balance at Sep. 30, 2019	78	4,310	17	(142,050)	2,923	(134,722)
Beginning balance at Dec. 31, 2019	78	4,310	6	(145,530)	4,514	(136,622)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	(2,178)	6,284	4,106
Stock-based compensation	0	4	0	0	0	4
Foreign currency translation loss	0	0	(1)	0	0	(1)
Distributions	0	0	0	0	(1,292)	(1,292)
Ending balance at Sep. 30, 2020	78	4,314	5	(147,708)	9,506	(133,805)
Beginning balance at Jun. 30, 2020	78	4,310	7	(147,508)	7,104	(136,009)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	(200)	2,694	2,494
Stock-based compensation	0	4	0	0	0	4
Foreign currency translation loss	0	0	(2)	0	0	(2)
Distributions	0	0	0	0	(292)	(292)
Ending balance at Sep. 30, 2020	$ 78	$ 4,314	$ 5	$ (147,708)	$ 9,506	$ (133,805)