Intangible Asset, Net (Details Textual) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011	Dec. 31, 2010
Intangible Asset, Net (Textual) [Abstract]
Intangible asset, net			$ 8,708,000	$ 9,843,000
Percentage of payments to third-party based on royalties received from related party		20.00%
Intangible Asset, Net (Additional Textual) [Abstract]
Accumulated amortization	15,000,000	15,000,000	6,300,000
Asset impairment charges	8,045,000	8,045,000
UABRF [Member]
Intangible Asset, Net (Textual) [Abstract]
Intangible asset, net	4,000,000	4,000,000
Percentage of payments to third-party based on royalties received from related party		20.00%
Minimum payment obligations [Member]
Intangible Asset, Net (Textual) [Abstract]
Intangible asset, net	$ 11,000,000	$ 11,000,000