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Subsequent Events (Details Narrative) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2022
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2022
Jan. 31, 2021
Subsequent Event [Line Items]          
Income Tax Expense (Benefit)   $ (1,041)
Subsequent Event [Member] | New Jersey Division of Taxation [Member]          
Subsequent Event [Line Items]          
Operating Loss Carryforwards $ 4,000        
Income Tax Expense (Benefit) $ 400