Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Details Narrative) - USD ($) |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Product Information [Line Items] | ||
| Cash equivalents | $ 40,800,000 | |
| Allowances for credit loss | 0 | $ 0 |
| Restricted cash | 800,000 | 5,000,000 |
| Interest expense | 0 | 0 |
| Impairment charges | 0 | 0 |
| Mine Development [Member] | ||
| Product Information [Line Items] | ||
| Mining development and related costs | $ 1,400,000 | |
| Loan Agreement [Member] | ||
| Product Information [Line Items] | ||
| Restricted cash | $ 5,000,000.0 | |
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Four Customers [Member] | ||
| Product Information [Line Items] | ||
| Concentration risk, percentage | 81.00% | |
| Customer Concentration Risk [Member] | Accounts Receivable [Member] | Three Customers [Member] | ||
| Product Information [Line Items] | ||
| Concentration risk, percentage | 95.00% | |
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- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of impairment loss for asset. Includes, but is not limited to, tangible and intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of development cost incurred in oil- and gas-producing activities. Includes capitalized cost and cost charged to expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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