Contracts in Progress (Details Narrative) - USD ($)  | 
Apr. 30, 2020  | 
Oct. 31, 2019  | 
|---|---|---|
| Revenue from Contract with Customer [Abstract] | ||
| Unbilled receivables | $ 2,021,496 | $ 2,279,362 | 
| Deferred revenue | 2,267,037 | 973,735 | 
| Component of deferred revenue | $ 503,210 | $ 497,819 | 
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- Definition Component of deferred revenue. No definition available. 
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- 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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