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Line of Credit	12 Months Ended
Line of Credit	Mar. 31, 2013
Line of Credit Facility [Abstract]
Line of Credit	Credit We currently have a revolving line of credit for $15.0 million, that matures on December 31, 2014. Interest accrues on outstanding balances under the line of credit at a rate equal to LIBOR plus 2% per annum, and we incur fees on the unused portion at 0.2% per annum. The credit line is secured by substantially all of our assets and includes certain financial covenants. The agreement allows for letters of credit to be issued, provided that, at any time, the amount of outstanding letters of credit shall not exceed $1.0 million. The letters of credit are reserved under the line of credit and will reduce the amount available for borrowing. At March 31, 2013, issued and outstanding letters of credit of $0.3 million were reserved against the line of credit, we had no outstanding borrowings and we are in compliance with all covenants.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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