Basis of Presentation and Summary of Significant Accounting Policies - Summary of foreign currency translation and other comprehensive income (loss) (Detail)	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Accounting Policies [Abstract]
Exchange rate on balance sheet dates, USD: AUD Exchange Rate	0.006551	0.00667
Average exchange rate for the period, USD: AUD Exchange Rate	0.006475	0.006559

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479424/830-30-S99-1

Name:	us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant