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Transaction with the Newport Funds (Details) (USD $)	12 Months Ended
Transaction with the Newport Funds (Details) (USD $)	Dec. 31, 2007	Nov. 30, 2014	Feb. 28, 2014
NGOF
Related Party Transaction [Line Items]
Interest payment received	$ 5,118,172
Preferred dividends received	61,600
Newport
Related Party Transaction [Line Items]
Due to the Newport Funds		$ 3,631,663	$ 3,450,793

- Definition

Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.

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