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Note 19 - Operating Leases (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Year ending December 31,
 
Minimum
Rental Payments
 
   
(Dollars in Thousands)
 
2018
  $
483
 
2019
   
464
 
2020
   
299
 
2021
   
237
 
2022
   
168
 
2023 and thereafter
   
301