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Note 6 - Earnings Per Share (Details)	3 Months Ended
Note 6 - Earnings Per Share (Details)	Mar. 31, 2015	Mar. 31, 2014
Incentive Stock Option [Member]
Note 6 - Earnings Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	11,623	13,300
Common Shares Issuable Upon Conversion Of Preferred Stock [Member]
Note 6 - Earnings Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,622,905	2,623,109

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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