Contingencies (Details Textual) - USD ($)	1 Months Ended		12 Months Ended
	Apr. 30, 2015	Sep. 30, 2013	Aug. 31, 2014	Nov. 30, 2015
Interest Payable				$ 11,300,000
Additional Interest Payable Current And Noncurrent				$ 4,100,000
Treasury Stock, Shares, Acquired	286,386	125,000	530,616
Litigation Settlement, Expense			$ 2,047,652