Consolidated Statement of Changes in Shareholders' Equity (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Preferred Stock Series A [Member]	Common Class A [Member]	Common Class B [Member]	Additional Paid In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2010	$ 28,395	$ 22,711	$ 209	$ 126,152	$ (91,746)	$ 1,942	$ (6,971)	$ 3,401	$ 84,093
Balance (in shares) at Dec. 31, 2010		11,355	2,087
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(1,511)			377	(1,134)
Other comprehensive income (loss), net of reclassifications and taxes						(472)		0	(472)
Common stock conversion from Class B to Class A		12	(1)		(11)				0
Common stock conversion from Class B to Class A (in shares)		6	(5)
Accretion of discount on preferred stock	118				(118)				0
Stock option expense				23					23
Balance at Mar. 31, 2011	28,513	22,723	208	126,175	(93,386)	1,470	(6,971)	3,778	82,510
Balance (in shares) at Mar. 31, 2011		11,361	2,082
Balance at Dec. 31, 2011	28,878	22,723	208	126,245	(100,803)	800	(6,971)	4,865	75,945
Balance (in shares) at Dec. 31, 2011		11,362	2,081
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss					(869)			(628)	(1,497)
Other comprehensive income (loss), net of reclassifications and taxes						325		0	325
Common stock conversion from Class B to Class A		2	0		(2)				0
Common stock conversion from Class B to Class A (in shares)		1	(1)
Accretion of discount on preferred stock	126				(126)				0
Stock option expense				14					14
Balance at Mar. 31, 2012	$ 29,004	$ 22,725	$ 208	$ 126,259	$ (101,800)	$ 1,125	$ (6,971)	$ 4,237	$ 74,787
Balance (in shares) at Mar. 31, 2012		11,363	2,080