XML 56 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document And Entity Information - shares
 3 Months Ended
Mar. 31, 2020
Jun. 05, 2020
Document Information [Line Items]    
Entity Registrant Name BIO KEY INTERNATIONAL INC  
Entity Central Index Key 0001019034  
Trading Symbol bkyi  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Interactive Data Current Yes  
Entity Common Stock, Shares Outstanding (in shares)   21,598,544
Entity Shell Company false  
Document Type 10-Q  
Document Period End Date Mar. 31, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Title of 12(b) Security Common Stock, par value $0.0001 per share