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Fair value measurements (Tables) | 6 Months Ended
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Jun. 30, 2026
Fair Value Disclosures [Abstract] |
Schedule of Fair Value on Recurring Basis | The following table sets forth by level within the fair value hierarchy, the Company’s assets and liabilities measured at fair value on a recurring basis (in thousands):
| Hierarchy Level |  | June 30, 2026 |  | December 31, 2025
Equity investment securities (1) | 1 |  | $ | — |  |  | $ | 776 |
(1) The value of equity investment securities was determined using the closing price of the publicly traded Canadian gold mining company on the last day of the respective periods as quoted on the TSX Venture Exchange. See Note 4 – Equity investment securities for additional information.

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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