Contingencies (Details Textual) - USD ($)	1 Months Ended			12 Months Ended
	Apr. 30, 2015	Aug. 31, 2014	Sep. 30, 2013	Aug. 31, 2014	Nov. 30, 2014
Commitment And Contingencies [Line Items]
Interest Payable					$ 11,300,000
Additional Interest Payable Current And Noncurrent					$ 3,600,000
Treasury Stock, Shares, Acquired	427,886	530,616	125,000
Litigation Settlement, Expense				$ 2,047,652