3. Note Payable (Details - Debt component) - Debt Component [member] $ in Thousands	Apr. 30, 2021 USD ($)
Principal	$ 143,750
Unamortized debt discount	(43,189)
Unamortized issuance costs	(3,612)
Net carrying amount	$ 96,949

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant