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Note 3 - Earnings (Loss) Per Common Share (Details) (Equity Option [Member])
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Note 3 - Earnings (Loss) Per Common Share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 198,892   222,448  
Exercise Price Greater than Average Market Price [Member]
       
Note 3 - Earnings (Loss) Per Common Share (Details) [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 196,500 291,000 196,500 293,200