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Earnings Per Share (Details Textual)	3 Months Ended
Earnings Per Share (Details Textual)	Jun. 30, 2013	Jun. 30, 2012
Earning Per Share (Textual) [Abstract]
Options excluded from the computation of diluted net income per share	1,227	692

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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