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Earnings Per Share (Detail Textuals) (Stock options)
3 Months Ended 9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Stock options
       
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Potential common stock from stock options not included in the diluted earnings per share calculation 10,000 114,500 10,000 114,500