Inventories (Tables)

12 Months Ended

Dec. 31, 2025

Notes and other explanatory information [abstract]

Schedule of inventories

	12/31/2025			12/31/2024
Lithium oxide concentrate		13,898			2,653
High purity lithium fines		7,690			6,499
Provision for expected inventory losses (1)		(7,945	)		—
Total finished goods		13,643			9,152
Consumable		607			391
		14,250			9,543
Spare parts		6,448			6,597
Total		20,698			16,140

⁽¹⁾ For the year ended December 31, 2025, the Company conducted a review of the recoverability of its inventories. As a result, a provision for expected inventory losses on Lithium oxide concentrate, totaling $7,945, was recognized and recorded under other operating expenses in the income statement for the period. The Company will continue to monitor the factors that may affect the net realizable value of its inventories and will adjust the provision as necessary.