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Note 9 - Segment Information
3 Months Ended
Mar. 31, 2016
Notes to Financial Statements  
Segment Reporting Disclosure [Text Block]
9.
SEGMENT INFORMATION
 
The Company has determined that it operates in one discrete segment consisting of biometric products. Geographically, North American sales accounted for approximately 82% and 52% of the Company’s total sales for the three-month periods ended March 31, 2016 and 2015, respectively.