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Note 10 - Short-term Borrowings (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
ABL Revolving Credit Facility [Member]    
Short-term Debt $ 0 $ 0
Other Lines of Credit [Member]    
Short-term Debt 8,594,000 5,359,000
Short-term Debt $ 8,594,000 $ 5,359,000