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INVENTORY
3 Months Ended
Mar. 31, 2023
INVENTORY  
INVENTORY

10. INVENTORY

Inventory consisted of raw material of natural flake graphite concentrate provided by a third-party vendor totaling $2.8 million as of March 31, 2023.  The full amount of inventory is within “Other long-term assets” on the Condensed Consolidated Balance Sheets.  The Company values the natural flake graphite concentrate at the lower of cost or net realizable value.  Net realizable value represents the estimated future sales price of the product based on current and long-term graphite prices, less the estimated costs to complete production and bring the product to sale. Write-downs of the natural flake graphite concentration to net realizable value are reported as a component of costs applicable to sales. The current portion of inventory is determined based on the expected amounts to be processed within the next 12 months and utilize the short-term metal price assumption in estimating net realizable value. Inventory not expected to be processed within the next 12 months is classified as non-current within other long-term assets and we utilize the long-term metal price assumption in estimating net realizable value. Costs are removed from raw materials using an average cost basis.