Condensed Consolidated Statement of Changes in Stockholders' Deficit (Unaudited) (USD $) In Thousands, except Share data	Total USD ($)	Series C convertible preferred stock USD ($)	Class A common stock	Class B common stock	Additional paid-in capital USD ($)	Accumulated other comprehensive loss, net USD ($)	Accumulated deficit USD ($)
Balance beginning at Dec. 31, 2012	$ (45,854)	$ 4			$ 525,281	$ (816)	$ (570,323)
Balance beginning, shares at Dec. 31, 2012		380,000	4,166,991	2,340,353
Stock-based compensation	10				10
Dividends on Series B preferred stock	(2,482)						(2,482)
Net loss	(2,753)						(2,753)
Other comprehensive loss	49					49
Balance ending at Mar. 31, 2013	$ (51,030)	$ 4			$ 525,291	$ (767)	$ (570,558)
Balance ending, shares at Mar. 31, 2013		380,000	4,166,991	2,340,353