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Economic Dependency - Additional Information (Detail) (USD $) |  |  |  |  | 12 Months Ended
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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

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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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