Quarterly report [Sections 13 or 15(d)]

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Inventory Disclosure [Abstract]    
Supplies $ 1,350 $ 1,913
Work in process 13,152 1,482
Finished goods 258 688
Total inventories $ 14,760 $ 4,083