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, 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 income (loss)					(869)			(628)	(1,497)
Other comprehensive income, 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
Balance at Dec. 31, 2012	29,396	22,863	202	126,287	(117,080)	(142)	(6,971)	3,860	58,415
Balance (in shares) at Dec. 31, 2012		11,432	2,020
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)					118			173	291
Other comprehensive income, net of reclassifications and taxes						299		0	299
Accretion of discount on preferred stock	135				(135)				0
Stock option expense				7					7
Balance at Mar. 31, 2013	$ 29,531	$ 22,863	$ 202	$ 126,294	$ (117,097)	$ 157	$ (6,971)	$ 4,033	$ 59,012
Balance (in shares) at Mar. 31, 2013		11,432	2,020