Properties, Plant and Equipment, Net (Tables)

9 Months Ended

Mar. 31, 2026

Property, Plant and Equipment [Abstract]

Summary of Properties, Plant and Equipment

Properties, plant and equipment, net consisted of the following at the end of each period presented.


	Depreciation	Estimated useful	March 31,			June 30,
Asset category	method	life (in years)	2026			2025
			(in thousands)
Land	N/A	—	$	1,533		$	1,533
Small-scale facility — plant	Straight-line	3.75		70,300			69,313
Injection and recovery wells	Straight-line	3.75(1)		6,134			6,134
Buildings	Straight-line	7-15		1,050			979
Vehicles	Straight-line	3-5		305			305
Other plant and equipment	Straight-line	5-10		817			754
				80,139			79,018
Less accumulated depreciation				(40,360	)		(25,360	)
Properties, plant and equipment, net			$	39,779		$	53,658

(1)

Effective July 1, 2025, the estimated useful life of the injection and recovery wells were revised downward from 5 years to 3.75 years to align with the Company’s revised operational and development plans.