Summary of the results of operations from unconsolidated subsidiaries and investees as follows (Details) (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Revenue,	$ 45,505		$ 54,579		$ 54,222
Depreciation,	(1,277)		(6,474)		(6,356)
Operatings expenses,	(41,188)		(47,510)		(45,209)
Interest expense,	(1,181)		(5,047)		(6,286)
Income from continuing operations,	1,859		(4,452)		(3,629)
Incomes from discontinued operation.	0		0		0
Net income:	1,859		(4,452)		(3,629)
Company's proportionate share of earnings (losses)(1)	$ 372	[1]	$ (806)	[1]	$ (206)	[1]

[1] Earnings represent continued and discontinued operatons.