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v3.26.1

Note M - Equity - Summary of Warrant Activity (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Outstanding, warrants (in shares) | 277,049 | 262,649 |
Outstanding, weighted average exercise price, warrants (in dollars per share) | $ 109.9 | $ 1,049.5 |
Outstanding, weighted average remaining contractual life, warrants (Year) |  | 4 years 2 months 8 days | 4 years 4 months 13 days
Granted, warrants (in shares) | 927,500 | 206,111 |
Granted, weighted average exercise price, warrants (in dollars per share) | $ 10.2 | $ 18.5 |
Exercised, warrants (in shares) | 515,278 | (190,322) |
Exercised, weighted average exercise price, warrants (in dollars per share) | $ 10.2 | $ 10.2 |
Forfeited, warrants (in shares) | 0 | 0 |
Forfeited, weighted average exercise price, warrants (in dollars per share) | $ 0 | $ 0 |
Expired, warrants (in shares) | (24,521) | (1,389) |
Expired, weighted average exercise price, warrants (in dollars per share) | $ 1,007.7 | $ 0 |
Granted (in dollars per share) | $ 10.2 | $ 18.5 |
Exercised, warrants (in shares) | (515,278) | 190,322 |
Exercised (in dollars per share) | $ 10.2 | $ 10.2 |
Outstanding, warrants (in shares) | 664,750 | 277,049 | 262,649
Outstanding, weighted average exercise price, warrants (in dollars per share) | $ 12.4 | $ 109.9 | $ 1,049.5

X
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Balance Type: | na
Period Type: | duration

X
- Definition The number of warrants exercised during period. + References No definition available. + Details
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Namespace Prefix: | bkyi_
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Balance Type: | na
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X
- Definition Number of warrants expired during period. + References No definition available. + Details
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Namespace Prefix: | bkyi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants forfeited during period. + References No definition available. + Details
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Namespace Prefix: | bkyi_
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X
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Namespace Prefix: | bkyi_
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- Definition Weighted average exercise price of the warrants exercised in the period. + References No definition available. + Details
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- Definition Weighted average exercise price of the warrants expired during period. + References No definition available. + Details
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- Definition Weighted average exercise price of the warrants forfeited. + References No definition available. + Details
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Namespace Prefix: | bkyi_
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- Definition Weighted average exercise price of warrants granted during period. + References No definition available. + Details
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Namespace Prefix: | bkyi_
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X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
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