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INCOME TAXES (Details Textual) - USD ($)
6 Months Ended 10 Months Ended 12 Months Ended
Oct. 31, 2018
Oct. 31, 2018
Apr. 30, 2018
Income Tax Disclosure [Line Items]      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00% 21.00% 29.70%
Unrecognized Tax Benefits $ 58,000 $ 58,000 $ 58,000