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Note 6 - Goodwill and Other Assets (Details) - Future Amortization Expenses of Intangible Assets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Future Amortization Expenses of Intangible Assets [Abstract]  
2015 $ 66us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2016 48us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 35us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 25us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 18us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Thereafter $ 43us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive