10. Major Customers	12 Months Ended
Oct. 31, 2020
Disclosure Text Block [Abstract]
10. Major Customers	10. Major Customers The Company’s principal business is to provide predictive analytics and decision support technology for the aviation industry to primarily improve the operational performance and cash flow of its customers. The Company believes it operates in one operating segment. The Company performs ongoing credit evaluations of its customers and generally does not require collateral. Three customers accounted for 36%, or $4,176,000, of total revenues in fiscal year 2020. One customer accounted for 13%, or $1,538,000. This customer was given concessions of approximately $513,000 during the fourth quarter of 2020, as a result of the COVID-19 pandemic. It is unclear at this time whether or not the customer will renew its contract with the Company. A second customer accounted for 12%, or $1,440,000, and a third customer accounted for 10%, or $1,198,000, of total revenues in fiscal year 2020. Both of these customers terminated their contracts with the Company during the year. The same three customers accounted for 55%, or $8,296,000, of total revenues in fiscal year 2019. One customer accounted for 24% or $3,599,000, a second customer accounted for 20% or $2,985,000, and a third customer accounted for 11% or $1,713,000 of total revenues in fiscal year 2019. As of October 31, 2020, the Company had four customers each of which accounted for 10% or more of the accounts receivable balance. One customer accounted for 38%, or $597,000, and three customers accounted for 10% each, with balances ranging from $151,000 to $159,000. As of October 31, 2019, the Company had three customers each of which accounted for 10% or more of the accounts receivable balance. The customer with the largest 2020 accounts receivable balance also accounted for 19%, or $224,000, of the 2019 accounts receivable balance, a second customer accounted for 14%, or $173,000, and a third customer accounted for 13% or $158,000, of the accounts receivable balance as of October 31, 2019. Credit losses historically have been immaterial. However, one major customer included above for fiscal 2020, had a significant past due accounts receivable balance, which the Company has fully reserved as of the fiscal year ended October 31, 2020. The Company had foreign sales of $1,445,000 and $1,226,000 in fiscal years 2020 and 2019, respectively. All sales, including foreign sales, are denominated in U.S. dollars.

10. Major Customers

12 Months Ended

Oct. 31, 2020

10. Major Customers

The Company’s principal business is to provide predictive analytics and decision support technology for the aviation industry to primarily improve the operational performance and cash flow of its customers. The Company believes it operates in one operating segment. The Company performs ongoing credit evaluations of its customers and generally does not require collateral. Three customers accounted for 36%, or $4,176,000, of total revenues in fiscal year 2020. One customer accounted for 13%, or $1,538,000. This customer was given concessions of approximately $513,000 during the fourth quarter of 2020, as a result of the COVID-19 pandemic. It is unclear at this time whether or not the customer will renew its contract with the Company. A second customer accounted for 12%, or $1,440,000, and a third customer accounted for 10%, or $1,198,000, of total revenues in fiscal year 2020. Both of these customers terminated their contracts with the Company during the year. The same three customers accounted for 55%, or $8,296,000, of total revenues in fiscal year 2019. One customer accounted for 24% or $3,599,000, a second customer accounted for 20% or $2,985,000, and a third customer accounted for 11% or $1,713,000 of total revenues in fiscal year 2019.

As of October 31, 2020, the Company had four customers each of which accounted for 10% or more of the accounts receivable balance. One customer accounted for 38%, or $597,000, and three customers accounted for 10% each, with balances ranging from $151,000 to $159,000. As of October 31, 2019, the Company had three customers each of which accounted for 10% or more of the accounts receivable balance. The customer with the largest 2020 accounts receivable balance also accounted for 19%, or $224,000, of the 2019 accounts receivable balance, a second customer accounted for 14%, or $173,000, and a third customer accounted for 13% or $158,000, of the accounts receivable balance as of October 31, 2019. Credit losses historically have been immaterial. However, one major customer included above for fiscal 2020, had a significant past due accounts receivable balance, which the Company has fully reserved as of the fiscal year ended October 31, 2020.

The Company had foreign sales of $1,445,000 and $1,226,000 in fiscal years 2020 and 2019, respectively. All sales, including foreign sales, are denominated in U.S. dollars.