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Note 9 - Short-Term Borrowings (Detail) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Line of Credit Facility, Amount Outstanding $ 4,900,000 $ 5,700,000 $ 5,700,000
Lorain National Bank [Member]
     
Line of Credit Facility, Maximum Borrowing Capacity 4,000,000    
Liberty Bank N.A. [Member]
     
Line of Credit Facility, Maximum Borrowing Capacity $ 3,000,000