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Share-based payments (Tables)

12 Months Ended

Jun. 30, 2025

Disclosure [Abstract]

Summary of share-based payments

All of the options set out below have been issued to employees and directors under the ESOP. During the financial year an expense of $653,194 (30 June 2024: $532,597) (30 June 2023: $1,674,581) was recognised.

		Number of options 2025 - Ordinary shares				Weighted Average exercise price 2025				Number of options 2024 - Ordinary shares				Weighted Average exercise price 2024
Outstanding at the beginning of the financial year			10,180,000			A$	0.72				14,780,000			A$	0.63
Forfeited			(25,000	)		A$	0.94				(3,400,000	)		A$	0.42
Expired			(2,075,000	)		A$	1.08				(1,200,000	)		A$	0.49
Outstanding at the end of the financial year			8,080,000			A$	0.63				10,180,000			A$	0.72
Exercisable at the end of the financial year			7,805,000			A$	0.65				7,290,000			A$	0.84

		Number of options 2025 - ADS				Weighted Average exercise price 2025				Number of options 2024 - ADS				Weighted Average exercise price 2024
Outstanding at the beginning of the financial year			52,000			A$	27.90				—			A$	—
Granted			33,467			A$	37.35				57,000			A$	28.00
Forfeited			—			A$	—				(5,000	)		A$	28.80
Expired			—			A$	—				—			A$	—
Outstanding at the end of the financial year			85,467			A$	30.08				52,000			A$	27.90
Exercisable at the end of the financial year			50,217			A$	31.83				—			A$	—

2025

Tranche		Grant date				Expiry date				Exercise price				Balance at the start of the year - Ordinary shares				Granted				Exercised				Expired / lapsed on termination of employment				Balance at the end of the year - Ordinary shares
4			13/01/2020				13/01/2025			A$	0.88				137,500				—				—				(137,500	)			—
5			09/11/2020				09/11/2024			A$	1.13				1,200,000				—				—				(1,200,000	)			—
6			09/11/2020				13/01/2025			A$	0.88				600,000				—				—				(600,000	)			—
7			04/01/2021				04/01/2025			A$	1.69				137,500				—				—				(137,500	)			—
8			09/09/2021				26/06/2026			A$	1.37				100,000				—				—				—				100,000
9			16/11/2021				16/11/2025			A$	1.69				750,000				—				—				—				750,000
10			16/11/2021				16/11/2025			A$	2.24				500,000				—				—				—				500,000
11			16/11/2021				16/11/2025			A$	1.56				800,000				—				—				—				800,000
13			01/02/2022				01/02/2027			A$	0.94				325,000				—				—				(25,000	)			300,000
14			24/05/2022				24/05/2027			A$	0.78				100,000				—				—				—				100,000
15			03/03/2023				03/03/2027			A$	0.15				2,530,000				—				—				—				2,530,000
16			03/05/2023				03/05/2027			A$	0.19				3,000,000				—				—				—				3,000,000
															10,180,000				—				—				(2,100,000	)			8,080,000
Weighted average exercise price														A$	0.72			A$	—			A$	—			A$	1.07			A$	0.63

At the end of the period the following outstanding options were vested and exercisable:

- Options in tranches 4, 5, 6, and 7 expired during the year

- 25,000 options in tranche 13 were forfeited during the year

The weighted average remaining contractual life of ordinary share options outstanding at 2025 is 1.52 years.

Tranche		Grant date				Expiry date				Exercise price				Balance at the start of the year - ADS				Granted				Exercised				Expired / lapsed on termination of employment				Balance at the end of the year - ADS
17			22/04/2024				22/04/2029			$	29.30				30,000				—				—				—				30,000
18			17/06/2024				17/06/2029			$	25.65				17,000				—				—				—				17,000
19			27/06/2024				27/06/2030			$	14.85				5,000				—				—				—				5,000
20			11/09/2024				11/09/2029			$	24.80				—				6,000				—				—				6,000
21-22			14/01/2025				14/07/2030			$	7.50				—				27,467				—				—				27,467
															52,000				33,467				—				—				85,467
Weighted average exercise price														A$	27.90			A$	37.35			A$	—			A$	—			A$	30.08

At the end of the period the following outstanding options were vested and exercisable:

- Options in tranche 17, 18, 19, 20, 21 & 22 were unvested

The weighted average remaining contractual life of ADS share options outstanding at 30 June 2025 is 3.59 years.

2024

Tranche		Grant date				Expiry date				Exercise price				Balance at the start of the year - Ordinary shares				Granted				Exercised				Expired / lapsed on termination of employment				Balance at the end of the year - Ordinary Shares
3			13/11/2019				04/01/2024			A$	0.49				1,200,000				—				—				(1,200,000	)			—
4			13/01/2020				13/01/2025			A$	0.88				187,500				—				—				(50,000	)			137,500
5			09/11/2020				09/11/2024			A$	1.13				1,200,000				—				—				—				1,200,000
6			09/11/2020				13/01/2025			A$	0.88				600,000				—				—				—				600,000
7			04/01/2021				04/01/2025			A$	1.69				187,500				—				—				(50,000	)			137,500
8			09/09/2021				26/06/2026			A$	1.37				100,000				—				—				—				100,000
9			16/11/2021				16/11/2025			A$	1.69				750,000				—				—				—				750,000
10			16/11/2021				16/11/2025			A$	2.24				500,000				—				—				—				500,000
11			16/11/2021				16/11/2025			A$	1.56				800,000				—				—				—				800,000
12			01/02/2022				01/02/2027			A$	0.94				800,000				—				—				(800,000	)			—
13			01/02/2022				01/02/2027			A$	0.94				425,000				—				—				(100,000	)			325,000
14			24/05/2022				24/05/2027			A$	0.78				100,000				—				—				—				100,000
15			03/03/2023				03/03/2027			A$	0.15				3,930,000				—				—				(1,400,000	)			2,530,000
16			05/03/2023				03/05/2027			A$	0.19				4,000,000				—				—				(1,000,000	)			3,000,000
															14,780,000				—				—				(4,600,000	)			10,180,000
Weighted average exercise price														A$	0.63			A$	—			A$	—			A$	0.43			A$	0.72

At the end of the period the following outstanding options were vested and exercisable:

- Options in tranches 3 & 12 expired during the year

- Options in tranches 6 were vested and exercisable

- Options in tranches 4, 7, 8, & 9 were vested and exercisable to 69%, apart from those in the above table which have expired

- Options in tranche 5 were vested and exercisable to 75%, apart from those in the above table which have expired

- Options in tranches 10 & 15 were vested and exercisable as to 33%, apart from those in the above table which have expired

- Options in tranches 11, 14, & 16 were vested and exercisable as to 50%, apart from those in the above table which have expired

Summary of valuation for each tranche of options

Tranche		Grant date				Expiry date				Share price at Grant Date				Exercise price				Volatility (%)				Dividend yield (%)				Risk free Rate (%)				Fair value per option
4			13/01/2020				13/01/2025			$	0.62			$	0.88				74.50	%			—				1.95	%		$	0.34
5			09/11/2020				09/11/2024			$	0.89			$	1.13				90.00	%			—				0.10	%		$	0.41
6			09/11/2020				13/01/2025			$	0.89			$	0.88				90.00	%			—				0.10	%		$	0.50
7			04/01/2021				04/01/2025			$	1.19			$	1.69				90.00	%			—				0.19	%		$	0.60
8			09/09/2021				26/06/2026			$	1.42			$	1.37				76.00	%			—				1.50	%		$	0.88
9			16/11/2021				16/11/2025			$	1.57			$	1.69				76.00	%			—				1.50	%		$	0.85
10			16/11/2021				16/11/2025			$	1.57			$	2.24				76.00	%			—				1.50	%		$	0.75
11			16/11/2021				16/11/2025			$	1.57			$	1.56				76.00	%			—				1.50	%		$	0.97
13			01/02/2022				01/02/2027			$	0.80			$	0.94				44.00	%			—				2.95	%		$	0.63
14			24/05/2022				24/05/2027			$	0.17			$	0.78				80.00	%			—				3.64	%		$	0.10
15			03/03/2023				03/03/2027			$	0.17			$	0.15				80.00	%			—				3.64	%		$	0.10
16			03/05/2023				03/05/2027			$	0.19			$	0.19				80.00	%			—				3.22	%		$	0.11
17			22/04/2024				22/04/2029			$	0.59			$	0.59				95.00	%			—				3.96	%		$	0.43
18			17/06/2024				17/06/2029			$	0.35			$	0.58				95.00	%			—				3.84	%		$	0.23
19			27/06/2024				27/06/2030			$	0.35			$	0.33				95.00	%			—				4.17	%		$	0.27
20			11/09/2024				11/09/2029			$	0.56			$	0.50				121.00	%			—				3.52	%		$	0.47
21-22			14/01/2025				14/07/2030			$	1.53			$	1.50				95.00	%			—				4.17	%		$	1.17

X

- Definition

The disclosure of information about indirect, by reference to the fair value of the equity instruments granted, measurement of the fair value of goods or services received as consideration for the entity's share options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_a&doctype=Standard
-URIDate 2025-03-27

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X

- Definition

The disclosure of the number and weighted average exercise prices of share options. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_b&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 31
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 31
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_31_b&doctype=Standard
-URIDate 2025-03-27

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- References

No definition available.

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