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Note 9 - Commitments and Contingencies (Details) - Future Minimum Lease Payments (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Future Minimum Lease Payments [Abstract]  
Six months ended December 31, 2014 $ 6,908
Year ended December 31:  
2015 12,630
2016 9,624
2017 7,455
2018 5,632
Thereafter 5,997
Total $ 48,246