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Note 5 - Goodwill and Intangible Assets (Details) - Estimated Amortization Expense for Future Years (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Estimated Amortization Expense for Future Years [Abstract]    
2013 July through December $ 101  
2014 55  
Total amortization expense $ 156 $ 608