Contingencies (Details Textuals) - USD ($)	1 Months Ended			12 Months Ended
	Apr. 30, 2015	Aug. 31, 2014	Sep. 30, 2013	Aug. 31, 2014	Feb. 28, 2015
Commitment And Contingencies [Line Items]
Interest Payable					$ 11,300,000
Additional Interest Payable Current And Noncurrent					$ 3,700,000
Treasury Stock, Shares, Acquired		530,616	125,000	530,616
Litigation Settlement, Expense				$ 2,047,652
Subsequent Event [Member]
Commitment And Contingencies [Line Items]
Treasury Stock, Shares, Acquired	427,886