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Income Taxes (Details) - Schedule of Components of Income Tax Expense (Benefit) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Schedule of Components of Income Tax Expense (Benefit) [Abstract]
Federal	$ (1,713)	$ 8
Foreign	0	196
State	(37)	99
Current (benefit) provision	(1,750)	303
Federal	9	0
Foreign	0	(247)
State	(1)	0
Deferred tax (benefit)	8	(247)
Total (benefit) provision	$ (1,742)	$ 56

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