Economic Dependency - Additional Information (Detail) (USD $)					12 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Customer Concentration Risk	Jun. 30, 2011 Customer Concentration Risk	Jun. 30, 2011 Supplier Concentration Risk Vendor
Concentration Risk [Line Items]
Account receivable	$ 8,751,000	$ 3,287,000	$ 2,600,000	$ 1,700,000
Percentage of raw material purchased from two suppliers					20.00%
Number of suppliers					2
Accounts payable	$ 3,918,000	$ 2,232,000			$ 168,000

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph a(1)

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3-4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_AccountsReceivableNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant