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Note 20 - Restructuring Charges and Asset Disposals (Details) (USD $)
0 Months Ended 1 Months Ended 12 Months Ended
Jun. 13, 2013
Jul. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Restructuring and Related Activities [Abstract]          
Restructuring Charges     $ 0us-gaap_RestructuringCharges $ 522,000us-gaap_RestructuringCharges $ 940,000us-gaap_RestructuringCharges
Severance Costs 515,000us-gaap_SeveranceCosts1 54,000us-gaap_SeveranceCosts1   643,000us-gaap_SeveranceCosts1  
Restructuring Reserve, Accrual Adjustment       121,000us-gaap_RestructuringReserveAccrualAdjustment  
Restructuring and Related Cost, Number of Positions Eliminated 19us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated        
Restructuring Reserve     $ 0us-gaap_RestructuringReserve