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Income Taxes (Tables)
 12 Months Ended
Dec. 31, 2018
Income Tax Disclosure [Abstract]  
Schedule of Federal and State Income Tax Provision

The federal and state income tax provision consisted of the following:

 

Year ended December 31,  2018   2017   2016 
   Current   Deferred   Current   Deferred   Current   Deferred 
Federal  $17,574   $(3,265)  $20,232   $1,865   $31,393   $10,181 
State   3,859    (387)   3,987    (580)   5,678    1,197 
   $21,433   $(3,652)  $24,219   $1,285   $37,071   $11,378 

 
Schedule of Effective Income Tax Rate Reconciliation

The effective income tax rate varied from the statutory federal income tax rate as follows:

 

Year ended December 31,  2018   2017   2016 
Statutory federal income tax rate   21.0%   35.0%   35.0%
State income taxes, net of federal tax benefit   4.0    2.9    3.3 
Domestic production activities deduction   —    (2.6)   (2.3)
Impact of Accounting Standard Update 2016-09   —    (0.9)   — 
Impact of Tax Cuts and Jobs Act on deferred taxes   —    (0.7)   — 
Other items   0.9    (0.9)   (0.4)
Effective income tax rate   25.9%   32.8%   35.6%
Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax assets and liabilities are as follows:

 

December 31,  2018   2017 
Deferred tax assets          
Product Liability  $294   $201 
Employee compensation and benefits   2,356    2,336 
Allowances for doubtful accounts and discounts   2,750    1,769 
Inventories   729    758 
Stock-based compensation   2,292    1,406 
Other   1,113    1,326 
Total deferred tax assets   9,534    7,796 
Deferred tax liabilities:          
Depreciation   6,256    8,956 
Other   309    242 
Total deferred tax liabilities   6,565    9,198 
Net deferred tax (liabilities) assets  $2,969   $(1,402)