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Note 6 - Long-term Debt (Details) - Annual Maturities on Long-term Debt Outstanding (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Annual Maturities on Long-term Debt Outstanding [Abstract]    
2014 $ 40,103  
2015 47,154  
2016 21,224  
2017 1,477  
2018 511  
Total $ 110,469 $ 107,501