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Note 6 - Intangible Assets (Details) - Summary of Net Carrying Value of Intangible Assets (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]    
Customer relationships $ 41 $ 55
Customer Relationships [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Customer relationships 5 years  
Customer relationships $ 41 $ 55