LEASES
    We determine if an arrangement is a lease or contains a lease at inception. We have operating leases for mining equipment, trucks, rail cars, and office space. Our operating leases have remaining lease terms ranging from less than one year to six years. Our finance leases have remaining terms ranging from less than one year to seven years. Leases recorded on the balance sheet consist of the following (amounts in thousands):
LeasesClassification on the Balance SheetBalance, December 31, 2025Balance, December 31, 2024
Assets
Operating lease ROU assets, netProperty, plant, equipment, and mineral properties, net$2,245 $1,437 
Finance lease ROU assets, netProperty, plant, equipment, and mineral properties, net$3,435 $2,934 
Liabilities
Current operating lease liabilitiesOther current liabilities$983 $679 
Current finance lease liabilityOther current liabilities$1,035 $951 
Non-current operating lease liabilitiesOperating lease liabilities$1,550 $780 
Non-current finance lease liabilitiesFinance lease liabilities$1,741 $1,838 

    Other information related to lease term and discount rate is as follows:

December 31,
20252024
Weighted average remaining lease term - operating leases3.0 years3.9 years
Weighted average remaining lease term - finance leases 3.7 years3.0 years
Weighted average discount rate - operating leases7.6 %7.0 %
Weighted average discount rate - finance leases7.8 %7.6 %

    The components of lease expense are as follows (amounts in thousands):
    
Year Ended December 31,
202520242023
Operating lease expense$1,468 $1,443 $1,667 
Short-term lease expense82 79 122 
     Total lease expense$1,550 $1,522 $1,789 

    Supplemental cash flow information related to leases was as follows (amounts in thousands):
Year Ended December 31,
20252024
Cash paid for amounts included in the measurement of lease liabilities
   Operating cash flows from operating leases$1,582 $1,516 
   Operating cash flows from finance leases220 185 
   Financing cash flows from finance leases1,043 942 
Right-of-Use Assets exchanged for new operating lease liabilities2,185 751 
Right-of-Use Assets exchanged for new finance lease liabilities1,380 1,562 

    As of December 31, 2025, maturities of lease liabilities are summarized as follows (amounts in thousands):

Years Ending December 31,Operating LeasesFinance LeasesTotal
2026$1,141 $1,203 $2,344 
20271,068 628 1,696 
2028255 604 859 
2029150 376 526 
2030139 165 304 
Thereafter92 248 340 
Total future minimum lease payments$2,845 3,224 6,069 
Less - amount representing interest312 448 760 
Present value of future minimum lease payments$2,533 2,776 5,309 
Less - current lease obligations983 1,035 2,018 
Long-term lease obligations$1,550 $1,741 $3,291 

Historical Timeline

Fiscal YearFiled
2025Mar 5, 2026Showing above
2024Mar 4, 2025
2023Mar 7, 2024
2022Mar 7, 2023
2021Mar 8, 2022
2020Mar 2, 2021
2019Mar 3, 2020

About Leases Disclosures

Lease disclosures under ASC 842 provide a comprehensive view of a company's leased asset portfolio, including the split between operating and finance leases, discount rates used to present-value future payments, and the maturity schedule of lease obligations. This section reveals a significant source of off-balance-sheet commitments that were largely hidden before the current standard.

Key signals: the weighted-average discount rate affects the size of recorded lease liabilities — a higher rate reduces the reported obligation, so compare the chosen rate against the company's incremental borrowing rate. The operating versus finance lease mix affects both EBITDA and operating income presentation. Watch the maturity table for concentration risk: large payment cliffs in specific years may create cash flow pressure. Variable lease payments excluded from the liability measurement represent real obligations that do not appear on the balance sheet. Compare total lease costs against prior-year operating lease expense to assess the true economic burden.