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CONTRACTS IN PROGRESS (Details Narrative) - USD ($)
Jul. 31, 2021
Oct. 31, 2020
Revenue from Contract with Customer [Abstract]    
Unbilled receivables $ 1,167,561 $ 861,300
Contract with Customer, Liability, Current 1,520,871 1,006,454
Contract with Customer, Liability, Noncurrent $ 181,248 $ 195,022