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1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
3 Months Ended
Mar. 31, 2018
Accounting Policies [Abstract]  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
In the following table, revenue is disaggregated by primary geographical market, major product line, and timing of revenue recognition.

   
Three Months Ended March 31,
 
   
2018
   
2017
 
Primary geographical markets:
           
United States
 
$
1,443,000
   
$
1,980,000
 
Asia
   
191,000
     
136,000
 
Other
   
21,000
     
51,000
 
     
1,655,000
     
2,167,000
 
Major product lines:
               
ODM projects
 
$
841,000
   
$
1,274,000
 
ODM components
   
716,000
     
700,000
 
Distribution components
   
98,000
     
193,000
 
     
1,655,000
     
2,167,000
 
Timing of revenue recognition:
               
Products transferred at a point in time
 
$
1,655,000
   
$
2,167,000