XML 50 R33.htm IDEA: XBRL DOCUMENT v3.3.1.900
Income taxes (Tables)
12 Months Ended
Dec. 31, 2015
Income Tax Disclosure [Abstract]  
Summary of Expense (Benefit) for Income Taxes

The expense (benefit) for income taxes for the years ended December 31, was as follows:

 

     2015      2014      2013  

Current tax expense (benefit)

        

Federal

   $ (446    $ 5,650       $ 2,629   

State

     55         1,448         955   
  

 

 

    

 

 

    

 

 

 
     (391      7,098         3,584   
  

 

 

    

 

 

    

 

 

 

Deferred tax expense (benefit)

        

Federal

     345         3,050         967   

State

     (342      665         208   
  

 

 

    

 

 

    

 

 

 
     3         3,715         1,175   
  

 

 

    

 

 

    

 

 

 

Total tax (benefit) expense

   $ (388    $ 10,813       $ 4,759   
  

 

 

    

 

 

    

 

 

 

Summary of Company's Effective Tax Rate on Income From Continuing Operations and Statutory Tax Rate

A reconciliation between the Company’s effective tax rate on income from continuing operations and the statutory tax rate for the years ended December 31, was as follows: 

     2015     2014     2013  
     Amount     Percent     Amount     Percent     Amount     Percent  

Income tax expense (benefit) at federal statutory rate

   $ 4,862        35.0 %   $ 12,089        35.0 %   $ (4,760 )     34.0

State income tax, net of federal benefit

     178        1.3        1,403        4.0        848        (6.1

Non-deductible private placement warrant (income)/expense

     (3,255     (23.4     (2,159 )     (6.2     9,531        (68.0

Domestic production activity

     —          —          (295 )     (0.9 )     (376 )     2.7   

Research tax credits

     (2,437     (17.6     (1,001 )     (2.9 )     (1,054 )     7.5   

Tax reserve reassessment

     315        2.3        170        0.5        570        (4.1

Other, net

     (51     (0.4     606        1.8        —          —     
  

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Income tax expense (benefit)

   $ (388     (2.8 )%   $ 10,813        31.3 %   $ 4,759        (34.0 )%
  

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Summary of Components of Deferred Income Tax Assets and Liabilities

Components of the deferred income tax assets and liabilities consisted of the following as of December 31:

 

     2015      2014  

Deferred tax assets

     

Inventory

   $ 2,861       $ 2,143   

Allowances and bad debts

     398         280   

Accrued warranty

     778         1,022   

Accrued wages and benefits

     627         553   

Stock compensation

     488         391   

Other

     515         8   
  

 

 

    

 

 

 

Total deferred tax assets

     5,667         4,397   
  

 

 

    

 

 

 

Deferred tax liabilities

     

Intangibles

     (944      (1,810 )

Tax depreciation in excess of book

     (3,904      (1,830 )
  

 

 

    

 

 

 

Total deferred tax liabilities

     (4,848      (3,640
  

 

 

    

 

 

 

Net deferred tax assets

   $ 819       $ 757   
  

 

 

    

 

 

 

Schedule of Net Deferred Tax Assets and Liabilities

The Company’s net deferred tax assets and liabilities are presented as follows in the Company’s consolidated balance sheets as of December 31:

 

     2015      2014  

Current deferred tax assets, net

   $ —         $ 3,998   

Non-current deferred tax asset/(liabilities), net

     819         (3,241 )
  

 

 

    

 

 

 

Net deferred tax assets

   $ 819       $ 757   
  

 

 

    

 

 

 

Schedule of Change in Unrecognized Tax Benefits

The change in unrecognized tax benefits excluding interest and penalties for the years ended December 31, 2015 and 2014 were as follows:

 

     2015      2014  

Balance at beginning of year

   $ 723       $ 555   

Additions based on tax positions related to the current year

     261         255   

Additions/(Reductions) for tax positions of prior years

     44         (87 )
  

 

 

    

 

 

 

Balance at end of year

   $ 1,028       $ 723