9. Stock-Based Compensation (Details)	Oct. 31, 2019 USD ($) shares
Details
Unrecognized stock-based compensation costs expected to be recognized over a weighted average period \| $	$ 1,249,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares \| shares	852,000

Represents the monetary amount of Unrecognized stock-based compensation costs expected to be recognized over a weighted average period, as of the indicated date.

No definition available.

Name:	fil_UnrecognizedStockBasedCompensationCostsExpectedToBeRecognizedOverAWeightedAveragePeriod
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant