Credit Facilities (Details)	12 Months Ended					12 Months Ended					12 Months Ended
	Jun. 30, 2012 USD ($) D	Jun. 30, 2011 USD ($)	Jun. 30, 2012 GmbH [Member] USD ($)	Jun. 30, 2012 GmbH [Member] EUR (€)	Jun. 30, 2012 Comerica Bank [Member] USD ($)	Jun. 30, 2012 Second Amendment To The Credit Agreement [Member]	Jun. 30, 2012 Working Capital Needs And Equipment Purchases Or Capital Leases [Member] GmbH [Member] EUR (€)	Jun. 30, 2012 Bank Guarantees [Member] GmbH [Member] EUR (€)	Jun. 30, 2012 Interest Rate For First 100,000 Euros [Member] GmbH [Member]	Jun. 30, 2012 Interest Rate For Over 100,000 Euros [Member] GmbH [Member]	Jun. 30, 2012 Subsequent Event [Member] USD ($)	Jun. 30, 2012 Fiscal Year 2013 [Member] USD ($)	Jun. 30, 2012 Fiscal Years Thereafter [Member] USD ($)
Line of Credit Facility [Line Items]
Credit facility, amount outstanding	$ 0	$ 0
Line of credit, expiration date	Nov. 01, 2013
Interest on Libor-based Advances, basis spread	2.35%
Commitment fee percentage	0.15%
Minimum Net Worth Required for Compliance	34,200,000										33,200,000
Potential Dividends Payable												2,800,000	1,800,000
Date company entered Second Amendment to Credit Agreement with Comerica Bank						Aug. 30, 2012					Aug. 30, 2012
Period required to have no outstanding advances	30
Outstanding letters of credit			0
Amount available under the credit facility			440,000	350,000	6,000,000
Amount available under the credit facility, condition one							100,000
Amount available under the credit facility, condition two								€ 350,000
Interest rate on borrowings									8.50%	2.00%