XML 50 R15.htm IDEA: XBRL DOCUMENT v3.22.4
Property, Plant and Mine Development, net
12 Months Ended
Dec. 31, 2022
Property, Plant and Mine Development, net  
Property, Plant and Mine Development, net

7. Property, Plant and Mine Development, net

At December 31, 2022 and 2021, property, plant and mine development consisted of the following:

As of

As of

December 31, 

December 31, 

2022

2021

(in thousands)

Asset retirement costs

$

7,449

$

1,065

Construction-in-progress

351

15,854

Furniture and office equipment

1,732

1,685

Land

9,033

9,230

Mineral interest

79,543

79,964

Light vehicles and other mobile equipment

2,327

2,224

Machinery and equipment

41,343

33,213

Mill facilities and infrastructure

35,917

24,973

Mine Development

105,263

92,138

Software and licenses

1,552

1,592

Subtotal (1)

284,510

261,938

Accumulated depreciation and amortization

(131,947)

(105,167)

Total

$

152,563

$

156,771

(1)Includes capital expenditures in accounts payable and accruals of $1.3 million and $1.7 million at December 31, 2022 and 2021, respectively.

Asset retirement costs of $6.4 million were recognized on December 31, 2022 due to changes in estimates in the reclamation model, also increasing the asset retirement obligations. Please see Note 11—Reclamation and Remediation in Item 8—Financial Statements and Supplementary Data for additional information.

In the first quarter of 2022, the gold regrind and dry stack tailings projects were completed and transferred out from construction-in-progress to mill facilities and infrastructure. We also added various machinery and equipment to the process plant and the underground mine (including filter press trays, mine equipment, low profile concrete mixer, etc.). The Company recorded depreciation and amortization expense for the years ended December 31, 2022 and 2021 of $28.0 million and $16.1 million, respectively.