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v3.19.3

Note 6 - Factoring - Fees (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Factoring fees | $ 32,891 | $ 43,798 | $ 125,231 | $ 148,012

X
- Definition The cost of factoring related to accounts receivable. + References No definition available. + Details
Name: | bkyi_FactoringFees
Namespace Prefix: | bkyi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration