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

9 Months Ended

Jul. 31, 2022

Customer

Disaggregation of Revenue

Revenue by type of customer:	Three Months Ended July 31, 2022	Three Months Ended July 31, 2021	Nine Months Ended July 31, 2022	Nine Months Ended July 31, 2021
Airlines	$220,000	$149,000	$732,000	$660,000
Airports	896,000	1,215,000	2,811,000	3,695,000
Other	368,000	146,000	798,000	315,000
Total Revenue	$1,484,000	$1,510,000	$4,341,000	$4,670,000

Performance Obligation

Disaggregation of Revenue

Revenue by type of performance obligation:	Three Months Ended July 31, 2022	Three Months Ended July 31, 2021	Nine Months Ended July 31, 2022	Nine Months Ended July 31, 2021
Subscription services	$1,313,000	$1,340,000	$4,045,000	$4,279,000
Professional services	171,000	170,000	296,000	391,000
Total Revenue	$1,484,000	$1,510,000	$4,341,000	$4,670,000