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Note F - Resalable Software Licenses Rights - Summary of Software License Rights (Details) - USD ($) | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Resalable software license rights | $ 2,640,000 | $ 1,560,000
Resalable software license rights, net of current portion | 7,933,808 | 10,598,411
Total software license rights | $ 10,573,808 | $ 12,158,411

X
- Definition Represents the amount of current and noncurrent software license rights as of the balance sheet date. + References No definition available. + Details
Name: | bkyi_SoftwareLicenseRights
Namespace Prefix: | bkyi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amounts as of the balance sheet date of software license rights classified as current. + References No definition available. + Details
Name: | bkyi_SoftwareLicenseRightsCurrent
Namespace Prefix: | bkyi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amounts as of the balance sheet date of software license rights classified as non-current. + References No definition available. + Details
Name: | bkyi_SoftwareLicenseRightsNoncurrent
Namespace Prefix: | bkyi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant