Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - 3 months ended Mar. 31, 2019 - USD ($) $ in Thousands	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2018	3,263,647	611,784
Balance at Dec. 31, 2018	$ 33	$ 6	$ 59,141	$ (21,701)	$ 37,479	$ 14	$ 37,493
Stock options - compensation costs			1		1		1
Net loss				(638)	(638)	(15)	(653)
Balance (in shares) at Mar. 31, 2019	3,263,647	611,784
Balance at Mar. 31, 2019	$ 33	$ 6	$ 59,142	$ (22,339)	$ 36,842	$ (1)	$ 36,841