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Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Property, plant and equipment |  |
Property, plant and equipment, net | $ 152,882 | $ 142,415
Machinery and equipment |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | 58,437 | 59,284
Less: accumulated depreciation and amortization | (38,487) | (40,292)
Building |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | 109,814 | 108,782
Less: accumulated depreciation and amortization | (19,303) | (18,710)
Leasehold improvements |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | 6,771 | 7,039
Less: accumulated depreciation and amortization | (5,407) | (5,352)
Construction in progress |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | 41,057 | 31,664
Construction in progress Dingxin and Kazuo locations |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | 33,300 | 22,700
Construction in progress manufacturing equipment purchases |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | 4,000 | 3,000
Construction in progress other consolidated subsidiaries |  |
Property, plant and equipment |  |
Property, plant and equipment, gross | $ 3,900 | $ 6,000

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