XML 45 R19.htm IDEA: XBRL DOCUMENT
v3.20.1

Note M - Deferred Revenue | 12 Months Ended
--- | ---
Dec. 31, 2019
Notes to Financial Statements |
Deferred Revenue [Text bLock] | NOTE M—DEFERRED REVENUE Deferred revenue represents unearned revenue from customer prepayments prior to maintenance contractual term. Maintenance contracts include provisions for unspecified when-and-if available product updates and customer telephone support services, and are recognized ratably over the term of the service period. At December 31, 2019 and 2018, amounts in deferred revenue were approximately $359,000 and $197,000, respectively.

X
- Definition The entire disclosure for deferred revenue. + References No definition available. + Details
Name: | bkyi_DeferredRevenueTextBlock
Namespace Prefix: | bkyi_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration