v3.26.1
Fair Value Measurement (Tables)
3 Months Ended
Mar. 31, 2026
Fair Value Measurement  
Schedule of assets and liabilities measured at fair value

  ​ ​ ​

March 31, 

December 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

Input Hierarchy Level

  ​ ​ ​

(in thousands)

  ​ ​ ​

Cash and cash equivalents

$

10,025

$

4,656

Level 1

Gold and silver rounds/bullion

3,524

3,336

Level 1

Schedule of gains and losses related to changes in the fair value

Three months ended

March 31, 

2026

  ​ ​ ​

2025

Statement of Operations Classification

Realized/unrealized gain from gold and silver rounds/bullion

$

(190)

$

(358)

Other income, net