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Note D- Concentration of Risk (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
 
 
Years Ended December 31,
 
 
 
2016
 
 
2015
 
                 
Customer A
   
34
%
   
*
 
Customer B
   
12
%
   
*
 
Customer C
   
*
     
37
%
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
 
 
As of December 31,
 
 
 
2016
 
 
2015
 
                 
Customer A
   
35
%
   
*
 
Customer C
   
56
%
   
62
%
Customer D
   
*
     
14
%
Customer E
   
*
     
11
%