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v2.4.1.9

Note B - Factoring (Details) | 12 Months Ended
--- | ---
Dec. 31, 2011
Note B - Factoring (Details) [Line Items] |
Factoring Arrangment, Term | 24 months
Percentage of Accounts Receivable Remitted by Factor | 75.00%bkyi_PercentageOfAccountsReceivableRemittedByFactor
Minimum [Member] |
Note B - Factoring (Details) [Line Items] |
Factoring Fees, Percent | 2.75%bkyi_FactoringFeesPercent / us-gaap_RangeAxis = us-gaap_MinimumMember
Maximum [Member] |
Note B - Factoring (Details) [Line Items] |
Factoring Fees, Percent | 15.00%bkyi_FactoringFeesPercent / us-gaap_RangeAxis = us-gaap_MaximumMember

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | bkyi_FactoringArrangmentTerm
Namespace Prefix: | bkyi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | bkyi_FactoringFeesPercent
Namespace Prefix: | bkyi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | bkyi_NoteBFactoringDetailsLineItems
Namespace Prefix: | bkyi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | bkyi_PercentageOfAccountsReceivableRemittedByFactor
Namespace Prefix: | bkyi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |