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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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