Credit Facilities	9 Months Ended
Credit Facilities	Mar. 31, 2012
Credit Facilities [Abstract]
Credit Facilities	9. Credit Facilities The Company had no debt outstanding at March 31, 2012 and June 30, 2011. On January 6, 2012, the Company entered into a First Amendment to the Amended and Restated Credit Agreement dated November 16, 2010 with Comerica Bank. The First Amendment extended the maturity date until November 1, 2013, amended the definition of tangible net worth and permitted the Company to repurchase up to $1.8 million of its common stock from July 1, 2011 through December 31, 2011. Proceeds under the Credit Agreement may be used for working capital and capital expenditures. Security under the Credit Agreement is substantially all non-real estate assets of the Company held in the United States. Borrowings are designated as a Libor-based Advance or as a Prime-based Advance if the Libor-based Advance is not available. Interest on Libor-based Advances is calculated at 2.35% above the Libor Rate offered at the time for the period chosen, and is payable on the last day of the applicable period. Quarterly, the Company pays a commitment fee of 0.15% per annum on the average daily unused portion of the revolving credit commitment. The Credit Agreement prohibits the Company from paying dividends. In addition, the Credit Agreement requires the Company to maintain a minimum Tangible Net Worth, as defined in the Credit Agreement. The Credit Agreement also requires the Company to have no advances outstanding for 30 days (which need not be consecutive) during each calendar year. At March 31, 2012, the Credit Agreement required a Tangible Net Worth of not less than $34.2 million and supported outstanding letters of credit totaling $121,577. At March 31, 2012, the Company's German subsidiary (GmbH) had an unsecured credit facility totaling 350,000 euros (equivalent to approximately $467,000). The facility allows 100,000 euros to be used to finance working capital needs and equipment purchases or capital leases. The facility allows up to 350,000 euros to be used for providing bank guarantees. The first 100,000 euros of borrowings bear interest at 8.5% and 2.0% is charged on borrowings over 100,000 euros. The German credit facility is cancelable at any time by either GmbH or the bank and any amounts then outstanding would become immediately due and payable. At March 31, 2012, GmbH had no borrowings outstanding.

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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