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

3 Months Ended

Jan. 31, 2021

Customer

Disaggregation of Revenue

	Three Months Ended	Three Months Ended
Revenue by customer:	January 31, 2021	January 31, 2020
Airlines	$                 362,000	$               2,618,000
Airports	1,268,000	1,391,000
Other	68,000	216,000
Total Revenue	$               1,698,000	$               4,225,000

Performance Obligation

Disaggregation of Revenue

	Three Months Ended	Three Months Ended
Revenue by type of performance obligation:	January 31, 2021	January 31, 2020
Subscription services	$               1,643,500	$               3,956,000
Professional services	54,500	269,000
Total Revenue	$               1,698,000	$               4,225,000