Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

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+ Details

Related party transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
Related party transactions (Details) - USD ($)	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Inventories, net	$ 13,218,000		$ 13,218,000		$ 9,014,000
Argonaut Manufacturing services
Related Party Transaction [Line Items]
Costs of goods sold relating to sales to related party	1,443,000	$ 744,000	2,413,000	$ 1,235,000
Inventories, net	6,497,000		6,497,000		4,263,000
Accounts payable due to related party	$ 948,000		$ 948,000		$ 1,700,000
Argonaut Manufacturing services \| Minimum
Related Party Transaction [Line Items]
Percentage of total outstanding shares owned by related party	5.00%		5.00%