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Note 12 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
 
 
As of December 31,
 
(in thousands)
 
2016
 
 
2015
 
 
2014
 
Current:
                       
Federal
  $
2,563
    $
(149
)   $
4,859
 
State and local
   
929
     
(752
)    
657
 
     
3,492
     
(901
)    
5,516
 
Deferred
   
(1,994
)    
(5,916
)    
(2,566
)
Income tax provision (benefit)
  $
1,498
    $
(6,817
)   $
2,950
 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
(in thousands)
 
2016
 
 
2015
 
Deferred tax assets:
               
Inventory (excluding LIFO reserve)
  $
2,531
    $
2,986
 
Net operating loss and tax credit carryforwards
   
3,224
     
2,926
 
Allowance for doubtful accounts
   
533
     
500
 
Accrued expenses
   
7,228
     
7,311
 
Other
   
169
     
143
 
     
13,685
     
13,866
 
Valuation reserve
   
(2,017
)    
(1,030
)
Total deferred tax assets
   
11,668
     
12,836
 
                 
Deferred tax liabilities:
               
LIFO reserve
   
(5,874
)    
(6,018
)
Property and equipment
   
(19,846
)    
(22,535
)
Intangibles
   
(9,067
)    
(9,396
)
Total deferred tax liabilities
   
(34,787
)    
(37,949
)
Deferred tax liabilities, net
  $
(23,119
)   $
(25,113
)
Schedule of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns Roll Forward [Table Text Block]
(in thousands)
 
2016
 
 
2015
 
 
2014
 
Balance as of January 1
  $
38
    $
58
    $
75
 
Decreases related to prior year tax positions
   
-
     
(20
)    
(17
)
Increases related to current year tax positions
   
13
     
13
     
13
 
Decreases related to lapsing of statute of limitations
   
(13
)    
(13
)    
(13
)
Balance as of December 31
  $
38
    $
38
    $
58
 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
 
 
2016
 
 
2015
 
 
2014
 
U.S. federal statutory rate
   
35.0%
     
35.0%
     
35.0%
 
State and local taxes, net of federal benefit
   
11.8%
     
1.4%
     
(1.6%
)
Valuation allowance
   
205.4%
     
0.0%
     
0.0%
 
Goodwill impairment
   
0.0%
     
(17.1%
)    
(51.8%
)
All other, net
   
104.4%
     
1.0%
     
0.1%
 
Effective income tax rate
   
356.6%
     
20.3%
     
(18.3%
)