Contracts in Progress (Details Narrative) - USD ($)  | 
Apr. 30, 2021  | 
Oct. 31, 2020  | 
|---|---|---|
| Revenue from Contract with Customer [Abstract] | ||
| Unbilled receivables | $ 1,080,436 | $ 861,300 | 
| Current deferred revenue | 1,178,678 | 1,006,454 | 
| Non-current deferred revenue | $ 201,737 | $ 195,022 | 
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- References No definition available. 
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- Definition Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. No definition available. 
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