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Note 6 - Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Current Liabilities [Table Text Block]
 
2015
2014
Deferred revenue and customer deposits
  $ 173     $ 70  
Accrued warranty
    94       118  
Domestic and foreign income taxes payable
    26       22  
Other
    74       65  
Total other current liabilities   $ 367     $ 275