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Stock Plans And Stock-Based Compensation (Details) (1998 and 2003 Stock Option Plan, USD $)
6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
1998 and 2003 Stock Option Plan
   
Allocated Share-based Compensation Expense $ 27,000 $ 26,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes based stock option valuation model.