Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Statement Of Cash Flows [Abstract]
Net cash flows used in operating activities	$ (20,405)	$ (4,398)
Cash flows from investing activities:
Purchases of property, plant and equipment	(13,003)	(11,982)
Proceeds from sale of property, plant and equipment	3	249
Purchases of long-term marketable securities	(496)	(31)
Proceeds from sale of long-term marketable securities	980	243
Net cash flows used in investing activities	(12,516)	(11,521)
Cash flows from financing activities:
Proceeds from revolving credit facility	43,000	19,016
Payments on revolving credit facility	(27,283)	(8,500)
Proceeds from sale and leaseback financing arrangement	15,500	0
Payments on sale and leaseback financing arrangements	(264)	(176)
Proceeds from equipment financing facility	4,014	0
Proceeds from related party debt (Note 17)	5,776	0
Repayments of related party debt (Note 17)	(4,251)	(1,065)
Repayments of debt	(480)	(489)
Proceeds from shareholder exercise of warrants (Note 9)	0	3,308
Debt issuance costs	(104)	(485)
Net cash flows provided by financing activities	35,908	11,609
Effect of exchange rate changes on cash and cash equivalents	(1,134)	(281)
Net increase (decrease) in cash and cash equivalents	1,853	(4,591)
Cash and cash equivalents at beginning of period	10,337	16,842
Cash and cash equivalents at end of period	12,190	12,251
Supplemental information:
Income tax payments	959	1,344
Interest payments	3,896	1,810
Non-cash investing and financing activities:
Purchases of property, plant and equipment in current liabilities	1,009	1,339
Finance lease right-of-use assets exchanged for lease liabilities	1,105	1,250
Operating lease right-of-use assets exchanged for lease liabilities	$ 191	$ 53