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Note 12 - Operating Leases (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Operating Leases of Lessee Disclosure [Table Text Block]
Years Ending December 31,   Amount
2016   $ 1,160  
2017     1,007  
2018     1,025  
2019     978  
2020     965  
Thereafter     755  
Total future minimum rental payments   $ 5,890