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Note 12 - Restructuring Charges and Asset Disposals (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Restructuring and Related Activities [Abstract]      
Restructuring Charges $ 394,000 $ 0 $ 394,000
Severance Costs     515,000
Reduction in Operating Expenses     121,000
Restructuring and Related Cost, Number of Positions Eliminated     19
Restructuring Reserve   $ 29,000