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Income Taxes (Details) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2018
Jan. 01, 2018
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2018
Oct. 31, 2017
Income Tax Disclosure [Abstract]            
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation, Percent     (266.70%) (61.90%) (112.80%) (4.40%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00%        
Deferred Other Tax Expense (Benefit) (in Dollars) $ (14,362,000)