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Income taxes (Tables)
12 Months Ended
Dec. 31, 2015
Income Taxes Tables  
Summary Of The Provision For Income Taxes
   

For the Years Ended

December 31,

 
    2015     2014     2013  
Current:                  
Federal   $ 1,888     $ 2,143     $ 2,552  
State and local     717       819       554  
Total current     2,605       2,962       3,106  
Deferred     (585 )     (720 )     (239 )
Provision for income taxes   $ 2,020     $ 2,242     $ 2,867  
Reconciliation Of Provision For Income Taxes At Statutory Rate
    2015     2014     2013  
    Amount     Percentage     Amount     Percentage     Amount     Percentage  
Federal income tax expense computed at the statutory rate   $ 1,357       34.0 %   $ 1,428       34.0 %   $ 2,666       34.0 %
State and local tax expense, net     337       8.4 %     215       5.1 %     745       9.5 %
U.S. domestic manufacturers' deduction & other permanent differences     300       7.5 %     464       11.0 %     (455 )     (5.8 )%
Additions for tax positions of prior years     50       1.3 %     215       5.1 %     0       0 %
Change in tax rates     --       0 %     (138 )     (3.2 )%     0       0 %
Change in tax estimate      (24     (0.6 )%     59       1.4 %     (89 )     (1.1 )%
Provision for income taxes   $ 2,020       50.6 %   $ 2,242       53.4 %   $ 2,867       36.6 %
Reconciliation of amount of unrecognized tax benefits
    2015     2014     2013  
Balance at January 1   $ 215     $ -     $ -  
Additions for tax positions of prior years     50       215       -  
Balance at December 31   $ 265     $ 215     $ -  
Schedule Of Deferred Tax Assets And Liabilities
    December 31,  
    2015     2014     2013  
Non-current deferred tax assets (liabilities) arising from:                  
                   
Accumulated depreciation and amortization   $ (1,719 )   $ (2,074 )   $ (2,896 )
Capital loss carry-forwards     --       --       53  
Total non-current net deferred tax liabilities     (1,719 )     (2,074 )     (2,843 )
Current deferred tax assets arising from:                        
Capital loss carry-forward & investment impairment     164       9       --  
Unrealized losses (gain) on investments     45       127       (8 )
Inventory     308       233       308  
Allowances for doubtful accounts and discounts     39       39       22  
Total current deferred tax assets     556       408       322  
Net deferred tax liability   $ (1,163 )   $ (1,666 )   $ (2,521 )