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

6 Months Ended

Apr. 30, 2019

Customer

Disaggregation of Revenue

	Three Months Ended	Six Months Ended
Revenue by type of customer:	April 30, 2019	April 30, 2019
Airlines	$                    2,211,000	$                    4,429,000
Airports	1,418,000	2,841,000
Other	5,000	20,000
Total Revenue	$                    3,634,000	$                    7,290,000

Performance Obligation

Disaggregation of Revenue

	Three Months Ended	Six Months Ended
Revenue by type of performance obligation:	April 30, 2019	April 30, 2019
Subscription services	$                    3,629,000	$                    7,225,000
Professional services	5,000	65,000
Total Revenue	$                    3,634,000	$                    7,290,000