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Note H - Resalable Software Licenses Rights (Details Textual) - USD ($)		12 Months Ended
	Dec. 31, 2015	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2017
Cumulative Amount of Amortization Expense, Net of Credits		$ 141,190
Software License Rights		$ 0	$ 0
Software License Rights [Member]
Payments to Acquire Software	$ 180,000
Finite-Lived Intangible Asset, Useful Life (Year)				10 years
The 2015 Software License [Member]
Software License Rights			$ 48,752

X

- Definition

Represents cumulative amount of amortization expense net of credit expense.

+ References

No definition available.

+ Details

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Namespace Prefix:	bkyi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the amount of current and noncurrent software license rights as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	bkyi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
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X

- Definition

The cash outflow associated with the acquisition from vendors of software programs or applications for internal use (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-13

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- Details

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Period Type:

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- Details

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