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13 - GEOGRAPHIC INFORMATION (Tables)
12 Months Ended
Dec. 31, 2016
Segment Reporting [Abstract]  
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
The following table presents summary geographic information about revenues and long-lived assets (land and property, net of accumulated depreciation) attributed to countries based upon location of our customers or assets:

   
Year ended December 31,
   
December 31,
 
   
2016
   
2015
   
2016
   
2015
 
               
Long-lived
   
Long-lived
 
   
Revenues
   
Revenues
   
Assets
   
Assets
 
United States
 
$
6,342,000
   
$
4,952,000
   
$
2,717,000
   
$
2,883,000
 
Mexico
   
36,000
     
15,000
     
169,000
     
155,000
 
Brazil
   
16,000
     
21,000
     
-
     
-
 
Taiwan
   
27,000
     
195,000
     
228,000
     
242,000
 
China
   
324,000
     
268,000
     
918,000
     
923,000
 
Canada
   
12,000
     
13,000
     
-
     
-
 
Other foreign countries
   
158,000
     
210,000
     
-
     
-
 
Total
 
$
6,915,000
   
$
5,674,000
   
$
4,032,000
   
$
4,203,000