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Note 11 - Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2015
Note 11 - Income Taxes  
Income tax provision

 

   Years Ended December 31,
   2015  2014
Current:          
   Federal  $4   $—   
   State   15    12 
   Foreign   111    65 
    130    77 
Deferred:          
   Federal   169    220 
   State   —      —   
   Foreign   11    (29)
    180    191 
Total income tax provision  $310   $268 
Deferred income taxes

   Years Ended December 31,
   2015  2014
Deferred tax liabilities:          
   Property, plant and equipment  $—     $—   
   Intangible assets   4,631    4,462 
      Total deferred tax liabilities   4,631    4,462 
           
Deferred tax assets:          
   Property, plant and equipment   288    88 
   Net operating loss carryforwards   27,283    20,164 
   Tax credit carryforwards   1,596    1,455 
   Intangible assets   3,391    3,841 
   Accrued expenses, reserves and other   2,127    2,509 
      Total deferred tax assets   34,685    28,057 
Valuation allowance for deferred tax assets   (34,593)   (27,951)
Net deferred tax assets   92    106 
           
Net deferred tax liabilities  $4,539   $4,356 

 
Net deferred tax liabilities

   Years Ended December 31,
   2015  2014
       
Current deferred tax assets  $92   $106 
Non-current deferred tax liabilities   (4,631)   (4,462)
   $(4,539)  $(4,356)

 
Income (loss) from continuing operations

 

   Years Ended December 31,
   2015  2014
United States  $2,582   $(1,808)
Foreign   568    6 
   $3,150   $(1,802)

   
Income tax rate reconciliation

   Years Ended December 31,
   2015  2014
       
Statutory income tax rate   34.0%   34.0%
(Increase) decrease in tax provision resulting from:          
    Equity compensation   2.2    (12.9)
    Income tax credits   (4.5)   4.2 
    Foreign tax rates   (2.2)   (1.9)
    Release of unrecognized tax benefits   (231.6)   —   
    Valuation allowance   210.9    (36.6)
    Other   1.0    (1.7)
Effective income tax rate   9.8%   (14.9%)

 
Uncertainty in income taxes

   Years Ended December 31,
   2015  2014
Balance – beginning of year  $7,296   $7,296 
   Increases related to current year tax positions   —      —   
   Increases related to prior year tax positions   —      —   
   Decreases related to prior year tax positions   —      —   
   Expiration of statute of limitations for assessment of taxes   —      —   
   Settlements of examinations   (7,296)   —   
Balance – end of year  $—     $7,296