Annual report pursuant to Section 13 and 15(d)

Income Taxes - Textuals (Details)

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Income Taxes - Textuals (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2018
Nov. 30, 2018
Nov. 30, 2017
Valuation Allowance [Line Items]      
Federal and state statutory income tax rate 23.90% 23.90% 36.45%
Accounting Standards Update 2015-07      
Valuation Allowance [Line Items]      
Net deferred tax asset     $ 2,079,988