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Note 10 - Operating Leases
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Leases of Lessee Disclosure [Text Block]
10.
 Operating Leases
 
The Company leases certain property and equipment under cancelable and non-cancelable agreements including office space.
 
Minimum annual rentals for all operating leases having initial non-cancelable lease terms in excess of
one
year are as follows (amounts in thousands):
 
  Years Ending December 31,  
Amount
  
  2017   $
3,634
 
  
  2018    
2,971
 
  
  2019    
2,055
 
  
  2020    
1,654
 
  
  2021    
741
 
  
  Thereafter    
260
 
  
  Total future minimum rental payments   $
11,315
 
  
 
Total expense for operating leases amounted to approximately
$4.7
million,
$1.5
million and
$1.6
million during
2016,
2015
and
2014,
respectively.