RECLAMATION AND ENVIRONMENTAL OBLIGATION - Changes in reclamation and environmental obligation (Details) - Oregon Energy LLC - USD ($)	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Changes to reclamation and environmental obligation
Balance at beginning of year	$ 2,000	$ 16,628
Settlement	(2,000)	(14,428)
Balance at end of year	$ 2,000	$ 2,000

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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