2. Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	May 02, 2019	Apr. 30, 2019
Right-of-use asset	$ 22,601			$ 0
Operating lease liability	24,833
Depreciation and amortization	726	$ 642
Revenue recognized previously accrued	$ 6,245	$ 6,962
ASC 842 [Member]
Right-of-use asset			$ 23,300
Operating lease liability			$ 25,500