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Note 6 - Credit Facilities and Long-Term Debt (Details) - Future Principal Payments on Long-term Debt (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Future Principal Payments on Long-term Debt [Abstract]  
2014 $ 7,083
2015 7,311
2016 31,409
2017 6,174
2018 109,412
Thereafter 91,165
Total principal payments $ 252,554