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BASIS OF PREPARATION (Tables) | 12 Months Ended
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Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
These consolidated financial statements include the accounts of the Company and the subsidiaries listed in the following table. All intercompany transactions and balances have been eliminated. | These consolidated financial statements include the accounts of the Company and the subsidiaries listed in the following table. All intercompany transactions and balances have been eliminated.
Subsidiary | Jurisdiction of incorporation |  | Ownership at June 30,
| 2024 |  | 2023
0896800 BC Ltd. (“0896800”) |  | British Columbia, Canada |  | 100% |  | 100%
Elk Creek Resources Corp. | Nebraska, USA |  | N/A |  | 100%
Elk Creek Resources Corp. (“ECRC”) | Delaware, USA |  | 79.7%(1) |  | 79.1%(1)
NioCorp Technologies Limited | United Kingdom |  | 100% |  | NA
| (1) | Represents 100% of Class A common stock owned by 0896800, and 4,282,116 and 4,565,808 Vested Shares and 3,391,596 and 3,391,596 Earnout Shares (each as defined below) held by third parties, and outstanding as of June 30, 2024 and 2023, respectively.

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- Definition The tabular disclosure of the effects of any changes in a parent's ownership interest in a subsidiary on the equity attributable to the parent if the ownership interests in a subsidiary changes during the period. The changes represented by this element did not result in the deconsolidation of the subsidiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4M -Publisher FASB -URI https://asc.fasb.org//1943274/2147481175/810-10-55-4M Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -SubTopic 10 -Topic 810 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481203/810-10-50-1A + Details
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