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Employee Retirement Plan
12 Months Ended
Mar. 31, 2012
Employee Retirement Plan [Abstract]  
Employee Retirement Plan

9. Employee Retirement Plan

Effective January 1, 1986, the Company established a 401(k) defined contribution retirement plan ("Retirement Plan") covering all full-time employees. The Retirement Plan provides for voluntary employee contributions from 1% to 20% of annual compensation, subject to a maximum limit allowed by Internal Revenue Service guidelines. The Company may contribute such amounts as determined by the Board. Employer contributions vest to participants at a rate of 33% per year of service for the first three years of service and 100% thereafter for each year of service. The Company did not make any contributions to the plan for the fiscal years ended March 31, 2012, 2011 and 2010, respectively.