XML 35 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 6 - Contingencies (Tables)
 3 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
 
 
Three
Months
Ended
March 31, 2017
 
 
Year
Ended
December 31,
201
6
 
   
(unaudited)
          
Beginning balance
   $
236
     $
187
  
Cost of warranty claims
    
(15
)
    
(157
)
Accruals for product warranties
    
6
      
206
  
Ending balance
   $
227
     $
236