Fair value measurements (Tables)

12 Months Ended

Dec. 31, 2025

Schedule of Fair Value on Recurring Basis

The following table sets forth by level within the fair value hierarchy, the Company’s liabilities measured at fair value on a recurring basis (in thousands).


	Hierarchy Level	Year Ended December 31,
		2025		2024
Equity investment securities, current	1	$	776	$	454
Equity investment securities, non-current	1	—		151
Total (1)		$	776	$	605

5-Year Private Warrants (2)	2	$	—	$	6

(1)The value of equity securities was determined using the closing price of the publicly traded Canadian gold mining company on the last day of the period as quoted on the TSX Venture Exchange. See Note 5 – Equity investment securities to the Notes to the Consolidated Financial Statements for additional information.

(2) The value of certain warrants to purchase shares of the Company’s common stock that were issued to the special purpose acquisition company sponsor and/or underwriter in a private placement and/or pursuant to a forward purchase contract (collectively, the 5-Year Private Warrants) as of December 31, 2025, was nil due to the expiration of the warrants on May 29, 2025. See Note 12 – Warrant liabilities to the Notes to the Consolidated Financial Statements for additional information on the fair value of the Company’s liability classified warrants.