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Property, Plant and Equipment, Net (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, plant and equipment
Property, plant and equipment, net	$ 142,415	$ 115,825
Depreciation and amortization	7,078	4,333	$ 5,531
Service Life
Property, plant and equipment
Decrease in manufacturing costs as a result of lower depreciation		$ 1,400
Decrease in net loss per share, basic and diluted, as a result of lower depreciation		$ 0.03
Machinery and equipment
Property, plant and equipment
Property, plant and equipment, gross	59,284	$ 48,206
Less: accumulated depreciation and amortization	(40,292)	(37,832)
Building
Property, plant and equipment
Property, plant and equipment, gross	108,782	94,567
Less: accumulated depreciation and amortization	$ (18,710)	(15,324)
Property, plant and equipment, estimated economic life	39 years 6 months
Leasehold improvements
Property, plant and equipment
Property, plant and equipment, gross	$ 7,039	6,285
Less: accumulated depreciation and amortization	$ (5,352)	(4,616)
Property, plant and equipment, estimated economic life	10 years
Construction in progress
Property, plant and equipment
Property, plant and equipment, gross	$ 31,664	24,539
Construction in progress Dingxin and Kazuo locations
Property, plant and equipment
Property, plant and equipment, gross	22,700	14,200
Construction in progress manufacturing equipment purchases
Property, plant and equipment
Property, plant and equipment, gross	3,000	4,000
Construction in progress other consolidated subsidiaries
Property, plant and equipment
Property, plant and equipment, gross	$ 6,000	$ 6,300
Buildings located in Dingxing and Kazuo
Property, plant and equipment
Property, plant and equipment, estimated economic life	39 years 6 months

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The amount of decrease to basic and diluted net loss per share as a result of lower depreciation due to the change in estimated useful life of certain tangible assets.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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