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Note 2 - Supplemental Cash Flow Information
9 Months Ended
Sep. 30, 2016
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
(2)
Supplemental Cash Flow Information
 
Cash paid (received) for interest and income taxes is as follows (in thousands):
 
    Nine Months Ended
    September 30,
    2016   2015
Interest, net   $ (53 )   $ 5  
Income taxes, net of refunds   $ 2,178     $ 400