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Summary of Significant Accounting Policies (Detail Textuals 2) (Stock options)
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Stock options
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Number of stock options not included in the computation of diluted earnings per share 10,000 120,200 53,500