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Note 7 - Prepaid and Other Current Assets and Other Non-Current Assets (Details) - Prepaid and Other Current Assets (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Prepaid and Other Current Assets [Abstract]    
Prepaid expenses and other $ 3,184us-gaap_PrepaidExpenseCurrent $ 4,327us-gaap_PrepaidExpenseCurrent
Prepaid insurance 976us-gaap_PrepaidInsurance 1,092us-gaap_PrepaidInsurance
Debt issue costs, net 1,944us-gaap_DeferredFinanceCostsCurrentNet  
Prepaid and other current assets $ 6,104us-gaap_PrepaidExpenseAndOtherAssetsCurrent $ 5,419us-gaap_PrepaidExpenseAndOtherAssetsCurrent