3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Fair value measurement of financial assets) - USD ($)	Oct. 31, 2019	Oct. 31, 2018
Marketable securities, available-for-sale	$ 186,835	$ 172,532
Quoted prices in active markets (Level 1) [Member]
Marketable securities, available-for-sale	186,835	172,532
Significant other observable inputs (Level 2) [Member]
Marketable securities, available-for-sale	0	0
Significant unobservable inputs (Level 3) [Member]
Marketable securities, available-for-sale	$ 0	$ 0