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Note 3 - Earnings Per Share (Details) (USD $)	3 Months Ended		6 Months Ended	3 Months Ended	6 Months Ended
Note 3 - Earnings Per Share (Details) (USD $)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2013 Employee Stock Option [Member]	Jun. 30, 2012 Employee Stock Option [Member]
Note 3 - Earnings Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		720,865	542,340	542,340	720,865
Antidilutive Securities Excluded from Computation of Earnings Per Share, Weighted Average Exercise Price (in Dollars per share)	$ 17.66	$ 16.71	$ 17.66		$ 16.71

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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