Statements of Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash paid for interest	$ 422	$ 828
Cash paid for income taxes	10	3
Non-cash investing and financing activities
Property and equipment transferred to inventory	249	0
Inventory transferred to property and equipment	0	2,830
Change in accounts payable and accrued liabilities related to purchases of property and equipment	$ (868)	$ 1,238