Note 14 - Leases (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
2017
   $
2,612
 
2018
    
2,400
 
2019
    
2,154
 
2020
    
2,068
 
2021
    
2,107
 
Thereafter
    
4,360
 
Total
  $
15,701