Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Narrative (Details)

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Income Taxes - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2018
Nov. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Federal and state tax rate 24.13% 36.45%
Deferred income taxes $ 6,394,664 $ 9,502,319
Higher rate due to tax law effective date 25.19%  
ASU 2015-17    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Deferred income taxes   2,079,988
Reclassification from current deferred tax assets   $ (2,079,988)