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Note 15 - Supplemental Cash Flow Information
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
NOTE
15
– Supplemental Cash Flow Information:
 
   
Year Ended December 31,
 
   
2016
   
2015
   
2014
 
Income taxes paid
  $
5,076,000
    $
6,897,000
    $
5,274,000
 
Interest paid
  $
694,000
    $
523,000
    $
466,000
 
 
During the years ended
December
31,
2016,
2015,
and
2014
the Company received
27,770,
14,571,
and
20,256
shares, respectively, of its common stock as payment for the exercise of stock options for
81,608,
50,224,
and
40,816
shares, respectively.