Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Work-in-process	$ 0	$ 30
Finished goods	1,290	995
Total inventory, current	1,290	1,025
Non-Current assets
Raw materials	1,954	2,143
Work-in-process	4,546	3,934
Finished goods	1,485	1,150
Total inventory, non-current	7,985	7,227
Total inventory	$ 9,275	$ 8,252

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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