​

2024

2023

2022

​

​

US$(000)

​

US$(000)

​

US$(000)

​

​

​

​

​

​

​

Services provided by third parties

​

12,069

​

6,640

​

6,324

Personnel expenses

3,110

​

2,982

​

2,898

Consumption of materials and supplies

1,359

​

698

​

467

Laboratory analysis and tests

1,347

​

376

​

862

Land

1,091

​

982

​

1,190

Short-term and low-value lease

826

​

368

​

917

Professional fees

815

​

386

​

557

Transport

​

242

​

244

​

173

Other

1,001

​

776

​

864

​

​

21,860

​

13,452

​

14,252