Quarterly report pursuant to Section 13 or 15(d)

Contracts in Progress (Details Narrative)

Contracts in Progress (Details Narrative) - USD ($)
6 Months Ended
Apr. 30, 2018
Oct. 31, 2017
Contracts In Progress    
Unbilled receivables $ 1,585,907 $ 2,723,172
Deferred revenues 293,795 402,955
Billings in excess component of deferred revenue $ 0 0
Product warrant description Revenue received as part of sales of equipment includes a provision for warranty and is treated as deferred revenue, along with extended warranty sales, and Through Life Support with these amounts amortized over 12 months, our stated warranty period, from the date of sale and 60 months for Through Life Support.  
Component of deferred revenue $ 61,494 $ 76,574