v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2025
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Schedule of cash and cash equivalents

​

​

​

​

​

​

​

​

(In thousands)

  ​ ​ ​

December 31, 2025

  ​ ​ ​

December 31, 2024

Cash

​

$

35,635

​

$

33,009

U.S. Treasury securities

​

 

404,712

​

 

—

Total cash & cash equivalents

​

$

440,347

​

$

33,009

Schedule of inventories

​

​

​

​

​

​

​

​

(In thousands)

  ​ ​ ​

December 31, 2025

  ​ ​ ​

December 31, 2024

Raw coal

​

$

31,689

​

$

19,709

Saleable coal

​

​

48,522

​

​

17,969

Supplies

​

 

6,944

​

 

5,680

Total inventories

​

$

87,155

​

$

43,358