2. Basis of Presentation and Significant Accounting Policies: Revenue Recognition Policy: Disaggregation of Revenue (Tables)

3 Months Ended

Jan. 31, 2022

Customer

Disaggregation of Revenue

	Three Months Ended	Three Months Ended
Revenue by type of customer:	January 31, 2022	January 31, 2021
Airlines	$342,000	$362,000
Airports	978,000	1,268,000
Other	192,000	68,000
Total Revenue	$1,512,000	$1,698,000

Performance Obligation

Disaggregation of Revenue

	Three Months Ended	Three Months Ended
Revenue by type of performance obligation:	January 31, 2022	January 31, 2021
Subscription services	$1,459,000	$1,643,500
Professional services	53,000	54,500
Total Revenue	$1,512,000	$1,698,000