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Aggregate annual principal maturities of long-term debt at December 31, 2014 are as follows (in thousands): (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Aggregate annual principal maturities of long-term debt  
Annual principal maturities 2014 $ 881fil_AnnualPrincipalMaturities2014
Annual principal maturities 2015 263fil_AnnualPrincipalMaturities2015
Annual principal maturities 2016 261fil_AnnualPrincipalMaturities2016
Annual principal maturities 2017 256fil_AnnualPrincipalMaturities2017
Annual principal maturities 2018 107fil_AnnualPrincipalMaturities2018
Annual principal maturities Thereafter 541fil_AnnualPrincipalMaturitiesThereafter
Total Annual principal maturities $ 2,309fil_TotalAnnualPrincipalMaturities