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Note 11 - Earnings Per Share (Details)	3 Months Ended		6 Months Ended
Note 11 - Earnings Per Share (Details)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Text Block]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	135,200	246,700	132,200	202,300

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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