Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - 3 months ended Mar. 31, 2017 - USD ($) shares 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, 2016	3,191	612
Balance at Dec. 31, 2016	$ 32,000	$ 6,000	$ 58,953,000	$ (20,250,000)	$ 38,741,000	$ 2,635,000	$ 41,376,000
Stock options - compensation costs			5,000		5,000		5,000
Net loss				(926,000)	(926,000)	(93,000)	(1,019,000)
Balance (in shares) at Mar. 31, 2017	3,191	612
Balance at Mar. 31, 2017	$ 32,000	$ 6,000	$ 58,958,000	$ (21,176,000)	$ 37,820,000	$ 2,542,000	$ 40,362,000