Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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

Name:	us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Commitments and Contingencies (Narrative) (Detail) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Leased property and equipment, excluding foreign land [Member]
Property Subject to or Available for Operating Lease [Line Items]
Rent expense	$ 14,000	$ 12,000	$ 37,000	$ 38,000
Land lease in Dominican Republic expiring 2092 [Member]
Property Subject to or Available for Operating Lease [Line Items]
Expiration year			2092
Acreage	4		4
Annual minimum rent	$ 288,000		$ 288,000