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Commitments and Contingencies (Narrative) (Detail) (USD $) | 12 Months Ended
--- | ---
Jun. 30, 2012 Month | Jun. 30, 2011 | Jun. 30, 2010
Operating Leases [Line Items] |  |  |
Leases expiration date | Apr. 06, 2014 |  |
Leases expiration period | August 2016 |  |
Advance notice period of cancellation of lease | 6 |  |
Optional lease termination date | September 2014 |  |
Operating lease agreements, expiration year | 2016 |  |
Rent expense related to operating leases charged to operations | $ 466,000 | $ 449,000 | $ 449,000

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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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