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v3.25.1

Property, Plant and Equipment, Net | 3 Months Ended
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Mar. 31, 2025
Property, Plant and Equipment, Net. |
Property, Plant and Equipment, Net | Note 4. Property, Plant and Equipment, Net ​ The components of our property, plant and equipment are summarized below (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, | ​ | December 31, | ​
​ | ​ | 2025 | ​ | 2024 | ​
Property, plant and equipment: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Machinery and equipment, at cost | ​ | $ | 67,437 | ​ | $ | 67,917 | ​
Less: accumulated depreciation and amortization | ​ | ​ | (44,231) | ​ | ​ | (44,065) | ​
Building, at cost | ​ | ​ | 138,269 | ​ | ​ | 137,420 | ​
Less: accumulated depreciation and amortization | ​ | ​ | (27,445) | ​ | ​ | (26,310) | ​
Leasehold improvements, at cost | ​ |  | 7,649 | ​ |  | 7,575 | ​
Less: accumulated depreciation and amortization | ​ | ​ | (6,450) | ​ | ​ | (6,347) | ​
Construction in progress | ​ |  | 23,806 | ​ |  | 23,531 | ​
​ | ​ | $ | 159,035 | ​ | $ | 159,721 | ​
​ As of March 31, 2025, the balance of construction in progress was $23.8 million, of which $18.3 million was related to our buildings in our new Dingxing and Kazuo locations, $1.2 million was for manufacturing equipment purchases not yet placed in service and $4.3 million was for construction in progress for our other consolidated subsidiaries. As of December 31, 2024, the balance of construction in progress was $23.5 million, of which $17.9 million was related to our buildings in our Dingxing and Kazuo locations, $1.4 million was for manufacturing equipment purchases not yet placed in service and $4.3 million was for our construction in progress for our other consolidated subsidiaries.

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