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Note 13 - Leases (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Lessee, Operating Lease, Costs, Assets and Liabilities [Table Text Block] |
|  | 3 Months ended September 30, 2022 |  |  | 3 Months ended September 30, 2021 |  |  | 9 Months ended September 30, 2022 |  |  | 9 Months ended September 30, 2021 |
Lease cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating lease cost |  | $ | 62,619 |  |  | $ | 63,973 |  |  | $ | 163,401 |  |  | $ | 191,919 |
Total lease cost |  | $ | 62,619 |  |  | $ | 63,973 |  |  | $ | 163,401 |  |  | $ | 191,919 |
Balance sheet information |  | September 30, 2022 |  |  | December 31, 2021 |
Operating right-of-use assets |  | $ | 263,377 |  |  | $ | 254,100 |
Operating lease liabilities, current portion |  | $ | 178,277 |  |  | $ | 177,188 |
Operating lease liabilities, non-current portion |  |  | 86,874 |  |  |  | 86,974 |
Total operating lease liabilities |  | $ | 265,151 |  |  | $ | 264,162 |
Weighted average remaining lease term (in years) – operating leases |  |  | 1.16 |  |  |  | 1.45 |
Weighted average discount rate – operating leases |  |  | 5.50 | % |  |  | 5.50 | %
Cash paid for amounts included in the measurement of operating lease liabilities for the nine months ended September 30, 2022 and 2021: |  | $ | 222,483 |  |  | $ | 191,869 |
2022 (3 months remaining) |  | $ | 68,048 |
2023 |  |  | 166,160 |
2024 |  |  | 38,809 |
Total future lease payments |  | $ | 273,017 |
Less: imputed interest |  |  | (7,866 | )
Total |  | $ | 265,151 |

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- Definition The tabular disclosure of costs, assets, and liabilities subject to operating lease by lessee. + References No definition available. + Details
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Namespace Prefix: | bkyi_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration