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Note 21 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Year ending December 31    
2017   $
63,378
 
2018    
53,367
 
2019    
43,620
 
2020    
38,600
 
2021    
33,068
 
Thereafter    
61,959
 
    $
293,992
 
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block]
Year ending December 31    
2017   $
5,016
 
2018    
3,412
 
    $
8,428