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Note K - Leases (Tables) | 12 Months Ended
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Dec. 31, 2025
Notes Tables |
Lessee, Operating Lease, Costs, Assets and Liabilities [Table Text Block] |
|  | Year ended |  |  | Year ended |
|  | December 31, |  |  | December 31, |
|  | 2025 |  |  | 2024 |
Lease cost |  |  |  |  |  |  |  |
Operating lease cost |  | $ | 28,195 |  |  | $ | 45,787 |
Total lease cost |  | $ | 28,195 |  |  | $ | 45,787 |
Balance sheet information |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  | $ | 47,953 |  |  | $ | 73,372 |
Operating lease liabilities, current portion |  | $ | 27,728 |  |  | $ | 24,642 |
Operating lease liabilities, non-current portion |  |  | 21,266 |  |  |  | 48,994 |
Total operating lease liabilities |  | $ | 48,994 |  |  | $ | 73,636 |
Weighted average remaining lease term (in years) – operating leases |  |  | 1.67 |  |  |  | 2.67 |
Weighted average discount rate – operating leases |  |  | 5.50 | % |  |  | 5.50 | %
Supplemental cash flow information related to leases were as follows: |  |  |  |  |  |  |  |
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ | 47,640 |  |  | $ | 63,914 |
Maturities of operating lease liabilities were as follows as of December 31, 2023: |  |  |  |  |  |  |  |
2026 |  | $ | 29,267 |  |  |  |  |
2027 |  |  | 22,477 |  |  |  |  |
|  |  | 2028 |  |  |  | - |
Total future lease payments |  | $ | 51,744 |  |  |  |  |
Less: imputed interest |  |  | (3,791 | ) |  |  |  |
Total |  | $ | 47,953 |  |  |  |  |

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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