Retirement Savings Plan	12 Months Ended
Mar. 31, 2013
Retirement Savings Plan [Abstract]
Retirement Savings Plan	Note J — Retirement Savings Plan The Company maintains a retirement savings plan for its employees, which is a qualified plan under Section 401(k) of the Internal Revenue Code. Full-time employees that meet certain requirements are eligible to participate in the plan. Employer contributions are made annually, primarily at the discretion of the Company’s Board of Directors. Contributions of $273,000, $347,000 and $372,000 were charged to operations for the fiscal years ended March 31, 2011, 2012, and 2013, respectively.

The entire disclosure for pension and other postretirement benefits.

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