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SIGNIFICANT ACCOUNTING POLICIES (Policies) | 12 Months Ended
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Jun. 30, 2025
Accounting Policies [Abstract] |
Development Stage Issuer |
| a) | Development Stage Issuer
The Company is considered to be a development stage issuer under Subpart 1300 of Regulation S-K of the United States Securities Act of 1933, as amended (“S-K 1300”), and it devotes substantially all of its efforts to acquiring and exploring mining interests that management believes should eventually provide sufficient net profits to sustain the Company’s existence. Until such interests are engaged in commercial production, the Company will continue to seek additional funding to support the completion of its exploration and development activities. The Company’s activities are subject to significant risks and uncertainties, including its ability to secure sufficient funding to continue operations, to obtain proven and probable reserves, to comply with industry regulations and obtain permits necessary for development of the Elk Creek Project, as well as environmental risks and market conditions.
Cash and Cash Equivalents |
| b) | Cash and Cash Equivalents
Cash and cash equivalents include cash on hand, cash in banks, investments in certificates of deposit with original maturities of 90 days or less, and money market funds. The Company maintains the majority of its cash balances with two financial institutions. Accounts at banks in the United States (“U.S.”) are insured by the Federal Deposit Insurance Corporation (“FDIC”) up to $250, while accounts at banks in Canada are insured by the Canada Deposit Insurance Corporation (“CDIC”) up to C$100. At June 30, 2025, the Company had $24,711 and $22 in excess of the FDIC and CDIC insured limits, respectively.
Foreign Currency Translation |
| c) | Foreign Currency Translation
Functional and reporting currency Items included in the financial statements of each of the Company’s entities are measured using the currency of the primary economic environment in which the entity operates (“the functional currency”). The functional currency for all entities is the U.S. Dollar except for NioCorp Technologies Limited, which is measured in British Pounds. The reporting currency for these consolidated financial statements is U.S. dollars. Transactions in foreign currency Transactions made in a currency other than the functional currency are remeasured to the functional currency at exchange rates at the dates of the transactions. Monetary assets and liabilities denominated in foreign currencies at the reporting date are remeasured to the functional currency at the exchange rate at that date and non-monetary assets and liabilities are remeasured at historical rates. Foreign currency translation gains and losses are included in profit or loss. Translation to reporting currency Translation gains and losses from the application of the U.S. dollar as the reporting currency, if any, are included as part of cumulative currency translation adjustment, which is reported as a component of shareholders’ equity under accumulated other comprehensive loss.
Mineral Properties |
| d) | Mineral Properties
Mineral property acquisition costs, including indirectly related acquisition costs, are capitalized when incurred. Acquisition costs include cash consideration and the fair market value of common shares, no par value, of the Company (“Common Shares”) issued as consideration. Properties acquired under option agreements, whereby payments are made at the sole discretion of the Company, are capitalized as mineral property acquisition costs at such time as the payments are made. Exploration costs are expensed as incurred. When it is determined that a mining deposit can be economically and legally extracted or produced based on established proven and probable reserves under S-K 1300, and the Company’s board of directors (the “Board”) has approved the commencement of formal development activities, development costs related to such reserves and incurred after such board approval will be considered for capitalization. The establishment of proven and probable reserves is based on results of feasibility studies, which indicate whether a property is economically feasible. Upon commencement of commercial production, capitalized costs will be amortized over their estimated useful lives or units of production, whichever is a more reliable measure. Capitalized amounts relating to a property that is abandoned or otherwise considered uneconomic for the foreseeable future are written off. The recoverability of the carrying values of mineral properties is dependent upon economic reserves being discovered or developed on the properties, permitting, financing, start-up, and commercial production from, or the sale/lease of, or other strategic transactions related to these properties. Development and/or start-up of a project will depend on, among other things, management’s ability to raise sufficient capital for these purposes. We assess the carrying cost of our mineral properties for impairment whenever information or circumstances indicate the potential for impairment. This would include events and circumstances such as our inability to obtain all the necessary permits, changes in the legal status of our mineral properties, government actions, the results of exploration activities and technical evaluations and changes in economic conditions, including the price of commodities or input prices. Such evaluations compare estimated future net cash flows with our carrying costs and future obligations on an undiscounted basis. If it is determined that the estimated future undiscounted cash flows are less than the carrying value of the property, an impairment loss will be recorded. Where estimates of future net cash flows are not determinable and where other conditions indicate the potential for impairment, management uses available market information and/or third-party valuation experts to assess if the carrying value can be recovered and to estimate fair value. There was no impairment recorded to mineral properties as of June 30, 2025 or 2024, respectively.
Long Lived Assets |
| e) | Long Lived Assets
Long-lived assets, other than mineral properties, held and used by the Company are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. For purposes of evaluating the recoverability of long-lived assets, the recoverability test is performed using undiscounted net cash flows related to the long-lived assets. If such assets are considered to be impaired, the impairment recognized is measured by the amount by which the carrying amount of the assets exceeds the fair value of the assets. Assets to be disposed of are reported at the lower of the carrying amount or fair value less costs to sell. There was no impairment recorded to long-lived assets as of June 30, 2025 or 2024, respectively.
Leases |
| f) | Leases
Under Accounting Standards Codification (“ASC”) 842, Leases, we determine if a contractual arrangement is, or contains, a lease at the inception date. Right-of-use (“ROU”) assets and liabilities related to operating leases are separately reported in the consolidated balance sheets. The Company currently has no finance leases. ROU assets and lease liabilities are recognized at the lease commencement date based on the present value of the future lease payments over the lease term. When the rate implicit to the lease cannot be readily determined, we utilize our incremental borrowing rate in determining the present value of the future lease payments. The incremental borrowing rate is derived from information available at the lease commencement date and represents the rate of interest that a lessee would have to pay to borrow an amount equal to the lease payments on a collateralized basis over a similar term in a similar economic environment. Operating lease ROU assets also include any cumulative prepaid or accrued rent when the lease payments are uneven throughout the lease term. The ROU assets and lease liabilities may include options to extend or terminate the lease when it is reasonably certain that we will exercise that option. Lease liabilities are increased by interest and reduced by payments each period, and the ROU asset is amortized over the lease term. For operating leases, interest on the lease liability and the amortization of the ROU asset result in straight-line rent expense over the lease term. Variable lease expenses are recorded when incurred.
Convertible Debt Carried at Fair Value |
| g) | Convertible Debt Carried at Fair Value
With regard to the Company’s debt related to the convertible promissory notes issued in April 2024 (as further discussed in Note 8), the Company has elected to account for these notes at fair value per the provisions of ASC Topic 815, Derivatives and Hedging (“ASC 815”). Under ASC 815-15-25, an election can be taken at the inception of a financial instrument to account for the instrument at fair value. The notes were recorded at fair value at inception and assessed quarterly thereafter using a Monte Carlo simulation methodology which incorporates multiple conversion scenarios. All changes in fair value subsequent to the initial recording, excluding the impact of the change in fair value related to the Company’s own credit risk, are recorded as a component of non-operating income/expense, within Change in fair value of convertible debt in the consolidated statements of operations. Changes in fair value related to the Company’s own credit risk, if any, are recorded through other comprehensive loss.
Warrants |
| h) | Warrants
We apply relevant accounting guidance for warrants to purchase our Common Shares (“Warrants”) based on the nature of the relationship with the counterparty. The Company has made an accounting policy election that the “greater of” Share-Price Input to the Black-Scholes Value would not preclude equity classification. The Company has not had any historical transactions that include the “greater of” Share-Price Input feature, and this is a new accounting policy election as of the current fiscal year. For Warrants issued to investors or lenders in exchange for cash or other financial assets, we follow guidance issued within ASC 480, Distinguishing Liabilities from Equity, and ASC 815, to assist in the determination of whether the Warrants should be classified as liabilities or equity. The fair value of Warrants is estimated using Black Scholes modeling or Monte Carlo modeling, depending on the settlement features embedded in the Warrant. Inputs under both models include inputs such as NioCorp’s Common Share price, the risk-free interest rate, the expected term, the volatility, and the dividend rate. Warrants that are determined to require liability classifications are measured at fair value upon issuance and are subsequently remeasured to their then fair value at each subsequent reporting period with changes in fair value recorded in current earnings. Warrants that are determined to require equity classifications measured at fair value upon issuance and are not subsequently remeasured unless they are required to be reclassified.
Earnout Shares |
| i) | Earnout Shares
Earnout Shares are classified as a liability due to failure to meet the equity classification criteria under ASC 815-40. The Earnout Shares are measured at fair value upon issuance and subsequently remeasured at each reporting period using a Monte Carlo simulation methodology, which includes inputs such as NioCorp’s Common Share price, the risk-free interest rate, the expected term, the weighted average of historical Common Share volatility and implied volatility underlying the Company’s publicly traded Warrants, the dividend rate, the conversion price, and the number of Earnout Shares outstanding. Assumptions used in the model are subjective and require significant judgment.
Financial Instruments |
| j) | Financial Instruments
The Company’s financial instruments consist of cash and cash equivalents, receivables, equity securities, and accounts payable and accrued liabilities. It is management’s opinion that the Company is not exposed to significant interest, currency or credit risks arising from its financial instruments. The fair values of these instruments approximate their carrying value unless otherwise noted.
Concentration of Credit Risk |
| k) | Concentration of Credit Risk
The financial instrument which potentially subjects the Company to credit risk is cash and cash equivalents, The Company holds investments or maintains available cash primarily in two commercial banks located in Vancouver, British Columbia and Columbus, Ohio. As part of its cash management process, the Company regularly monitors the relative credit standing of these institutions.
Asset Retirement Obligation |
| l) | Asset Retirement Obligation
The Company is subject to various government laws and regulations relating to environmental disturbances caused by exploration and evaluation activities. The estimated costs associated with environmental remediation obligations are accrued in the period in which the liability is incurred if it is reasonably estimable or known. Until such time that a project life is established, the Company records the corresponding cost as an exploration stage expense and has accrued $48 and $48 for estimated obligations as of June 30, 2025 and June 30, 2024, respectively. Future reclamation and environmental-related expenditures are difficult to estimate in many circumstances due to the early-stage nature of the Elk Creek Project, the uncertainties associated with defining the nature and extent of environmental disturbance, the application of laws and regulations by regulatory authorities and changes in reclamation or remediation technology. The Company periodically reviews accrued liabilities for such reclamation and remediation costs as evidence indicating that the liabilities have potentially changed becomes available. Changes in estimates are reflected in the consolidated statement of operations and comprehensive loss in the period an estimate is revised.
Income Taxes |
| m) | Income Taxes
Income taxes are provided based upon the liability method of accounting pursuant to ASC 740-10-25, “Income Taxes – Recognition.” Under the approach, deferred income taxes are recorded to reflect the tax consequences in future years of differences between the tax basis of assets and liabilities and their financial reporting amounts at each year-end. A valuation allowance is recorded against deferred tax assets if management does not believe the Company has met the “more likely than not” standard imposed by ASC 740-10-25-5 to allow recognition of such an asset. ASC 740-10-50, “Income Taxes – Disclosure,” requires the Company to evaluate its income tax positions and recognize a liability for uncertain tax positions that are not more likely than not to be sustained by tax authorities. As of June 30, 2025 and 2024, the Company believes it had no income tax uncertainties that required recognition of a liability. If the Company were to determine that uncertain tax positions meet the criteria for recognition, an estimated liability and related interest and penalties would be recognized as income tax expense.
Redeemable Noncontrolling Interest |
| n) | Redeemable Noncontrolling Interest
Redeemable Noncontrolling Interest refers to non-controlling interest associated with the Vested Shares that are redeemable upon the occurrence of an event that is not solely within the Company’s control and is reported in the mezzanine section between total liabilities and shareholders’ deficit, as temporary equity in the Company’s consolidated balance sheets. The Company’s non-controlling interest is redeemable at fair value, and no adjustment to the earnings per share numerator is required because redemption at fair value is not considered an economic distribution different from other common stockholders.
Basic and Diluted Per Share Disclosure |
| o) | Basic and Diluted Per Share Disclosure
Basic earnings (loss) per share represents net earnings (loss) attributable to common shareholders divided by the weighted average number of Common Shares outstanding during the period. The Company considers Vested Shares and Released Earnout Shares (each as defined in Note 9), to be participating securities, requiring the use of the two-class method. Diluted earnings (loss) per share represents net earnings (loss) attributable to common shareholders divided by the weighted average number of Common Shares outstanding, inclusive of the dilutive impact of all potentially dilutive securities outstanding during the period, as applicable. The Company utilizes the weighted average method to determine the impact of changes in a participating security on the calculation of loss per share. The following table sets forth the computation of the Company’s basic and diluted net loss per share attributable to common shareholders:
|  | For the year ended June 30, |
|  | 2025 |  |  | 2024 |
Net loss |  | $ | (17,982 | ) |  | $ | (11,898 | )
Adjust: Net loss attributable to noncontrolling interest |  |  | 577 |  |  |  | 458 |
Net loss available to participating securities |  |  | (17,405 | ) |  |  | (11,440 | )
Net loss attributable to Vested Shares |  |  | 1,102 |  |  |  | 967 |
Net loss attributed to common shareholders - basic and diluted |  | $ | (16,303 | ) |  | $ | (10,473 | )
Denominator: |  |  |  |  |  |  |  |
Weighted average shares outstanding – basic and diluted |  |  | 45,072,895 |  |  |  | 34,320,024 |
Loss per Common Share outstanding – basic and diluted |  | $ | (0.36 | ) |  | $ | (0.31 | )
The following shares underlying options to purchase Common Shares (“Options”), Warrants, and outstanding convertible debt were antidilutive due to a net loss in the periods presented and, therefore, were excluded from the dilutive securities computation for the periods indicated below: Schedule of excluded from the dilutive securities
|  | For the year ended June 30, |
Excluded potentially dilutive securities (1)(2): |  | 2025 |  |  | 2024 |
Options |  |  | 3,020,000 |  |  |  | 2,495,500 |
Warrants |  |  | 31,839,152 |  |  |  | 18,563,561 |
Convertible debt |  |  | - |  |  |  | 2,849,000 |
Total potentially dilutive securities |  |  | 34,859,152 |  |  |  | 23,908,061 |
| (1) | The number of shares is based on the maximum number of shares issuable on exercise or conversion of the related securities as of the period end. Such amounts have not been adjusted for the treasury stock method or weighted average outstanding calculations as required if the securities were dilutive.
| (2) | Earnout Shares (as defined below) are excluded as the vesting terms were not met as of the end of the reporting period.
Share Based Compensation |
| p) | Share Based Compensation
The Company grants Options to directors, officers, employees, and business advisors. Option terms and vesting conditions are at the discretion of the Board. The Option exercise price is equal to the closing market price on the Nasdaq Stock Market LLC (“Nasdaq”) on the day preceding the date of the grant. The Company estimates the fair value of Options using the Black-Scholes option pricing model. The Company recognizes forfeitures as they occur.
Recent Accounting Standards |
| q) | Recent Accounting Standards
Recently Adopted Accounting Standards In fiscal year 2025, we adopted Accounting Standards Update (“ASU”) 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. Management has evaluated the Company’s operations and concluded it has one reportable operating segment which will now require expanded disclosure. Adoption was made retroactively with segment disclosure included for the fiscal years ended June 30, 2025 and 2024. This standard has not changed the processing, recording, or presentation of financial data, other than providing additional disclosure regarding management oversight for the Company’s single operating segment. Issued and Not Effective In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures, which includes amendments that further enhance income tax disclosures, primarily through standardization and disaggregation of rate reconciliation categories and income taxes paid by jurisdiction. The amendments are effective for the Company’s annual periods beginning July 1, 2025, with early adoption permitted, and should be applied either prospectively or retrospectively. The Company is currently evaluating the ASU to determine its impact on the Company’s disclosures. From time to time, new accounting pronouncements are issued by the FASB that are adopted by the Company as of the specified effective date. Unless otherwise discussed, management believes that the impact of recently issued standards did not or will not have a material impact on the Company’s consolidated financial statements upon adoption.

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