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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2015
Income Taxes Tables  
Income tax provision components
    December 31,  
    2015     2014  
Current            
  Federal   $ 66     $ 84  
  State     (161 )     111  
  Foreign     76       98  
      Total current     (19 )     293  
Deferred                
  Federal   $ 1,307     $ (4,106 )
  State     96       (558 )
  Foreign     -       -  
      Total deferred     1,403       (4,664 )
Total   $ 1,384     $ (4,371 )
Statutory federal income tax rate difference
    December 31,  
    2015     2014  
Federal statutory rate   $ (113 )    $ 350  
                 
Adjustments for tax effects of:                
Foreign rate differential     26       (30 )
State taxes, net     (241 )     (267 )
Other nondeductible items     1,162       222  
Rate change     91       (21 )
Deferred tax asset adjustment     101       (412 )
Change in valuation allowance     161       (4,213 )
Undistributed foreign earnings     197       -  
    $ 1,384     $ (4,371 )
Deferred tax assets and liabilities
    December 31,  
    2015     2014  
Deferred tax assets:            
Amortizable assets   $ 1,146     $ 887  
Inventory     608       493  
Accruals and reserves     174       499  
Stock options     217       167  
Net operating loss carry-forward     2,387       3,112  
Credit carry-forward     581       731  
Total Deferred Tax Asset     5,113       5,889  
                 
Deferred tax liabilities:                
Prepaids     (71 )     (190 )
Other     (521 )     (397 )
Depreciable assets     (270 )     195  
      (862 )     (392 )
Net deferred tax asset     4,250       5,497  
Less valuation allowance     (1,718 )     (1,556 )
Net deferred tax liabilities   $ 2,532     $ 3,941