Note 14 - Leases (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
(In thousands)
  
Operating Leases
  
2017
   $
397
  
2018
    
390
  
2019
    
327
  
2020
    
292
  
2021
    
255
  
Thereafter
    
889
  
Total
   $
2,550