Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Income Statement [Abstract]
Revenue from related parties	$ 1,890,000	$ 227,000

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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