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Note 7 - Other Current Assets (Details) - Other Current Assets Consist of the Following (in thousands) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Other Current Assets Consist of the Following (in thousands) [Abstract]    
Prepaid expenses $ 1,499us-gaap_PrepaidExpenseCurrent $ 1,690us-gaap_PrepaidExpenseCurrent
Other 4,167us-gaap_OtherAssetsMiscellaneousCurrent 3,713us-gaap_OtherAssetsMiscellaneousCurrent
$ 5,666us-gaap_PrepaidExpenseAndOtherAssetsCurrent $ 5,403us-gaap_PrepaidExpenseAndOtherAssetsCurrent