4. Revenue

The Company derives its revenue from the sale of doré and concentrates. The following table presents the Company’s net sales disaggregated by source:

For the year ended December 31, 

2025

2024

(in thousands)

Doré sales, net

Gold

$

1,213

$

24

Silver

54

1

Less: Refining charges

(10)

(6)

Total doré sales, net

1,257

19

Concentrate sales

Gold

16,600

19,750

Silver

66,008

23,145

Copper

2,436

5,827

Lead

1,977

4,402

Zinc

8,360

17,313

Less: Treatment and refining charges

(3,382)

(5,700)

Total concentrate sales, net

91,999

64,737

Realized gain - embedded derivative, net (1)

602

1,231

Unrealized gain (loss) - embedded derivative, net

5,901

(261)

Total sales, net

$

99,759

$

65,726

(1)Copper, lead, and zinc are co-products. In the realized gain - embedded derivative, net, there are $0.1 million loss and $0.4 million gain, respectively, related to these co-products for the years ended December 31, 2025 and 2024.

Historical Timeline

Fiscal YearFiled
2025Mar 18, 2026Showing above
2024Apr 8, 2025
2023Mar 28, 2024
2022Mar 13, 2023
2021Mar 10, 2022
2020Feb 24, 2021
2019Mar 2, 2020
2018Feb 26, 2019
2017Mar 8, 2018

About Revenue Disclosures

Revenue disclosures under ASC 606 explain how a company identifies performance obligations, allocates transaction prices, and determines when revenue is recognized. This section is essential for understanding whether reported revenue reflects genuine economic activity or aggressive accounting choices. Analysts examine the mix of point-in-time versus over-time recognition, which directly affects revenue timing and comparability.

Key signals: rising contract liabilities (deferred revenue) suggest strong future revenue visibility, while declining contract assets may indicate slowing project milestones. Watch for variable consideration estimates — rebates, returns, and performance bonuses that require management judgment. Significant changes in disaggregated revenue by geography or product line can reveal shifting business mix before it appears in headline numbers. Compare revenue growth against contract liability growth to assess sustainability, and scrutinize any changes in the timing of recognition that coincide with earnings pressure.