XML 99 R63.htm IDEA: XBRL DOCUMENT v2.4.1.9
Stock Plans And Stock-Based Compensation (Details) (1998 and 2003 Stock Option Plan, USD $)
9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
1998 and 2003 Stock Option Plan
   
Allocated Share-based Compensation Expense $ 26,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_PlanNameAxis
= fil_N1998And2003StockOptionPlanMember
$ 53,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_PlanNameAxis
= fil_N1998And2003StockOptionPlanMember
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.