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Note 10 - Earnings (Loss) Per Share (Details)	3 Months Ended
Note 10 - Earnings (Loss) Per Share (Details)	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	657,642	712,252

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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