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Note 2 - Earnings Per Common Share (Details)	3 Months Ended		6 Months Ended
Note 2 - Earnings Per Common Share (Details)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Equity Option [Member]
Note 2 - Earnings Per Common Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	463,200	520,125	571,100	520,125
Unvested Performance Unit Awards [Member]
Note 2 - Earnings Per Common Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	54,819	51,623	73,607	51,623

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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