Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment (Details)

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Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 100,424 $ 105,634
Less accumulated depreciation and amortization (70,669) (70,100)
Property, plant and equipment, net 29,755 35,534
Total depreciation 6,161 6,421
Cost of sales    
Property, Plant and Equipment [Line Items]    
Total depreciation 5,918 6,196
Selling, general and administrative    
Property, Plant and Equipment [Line Items]    
Total depreciation 243 225
Land    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 723 723
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 3,079 3,495
Buildings    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 1,534 1,534
Machinery, fixtures and equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross 93,758 98,225
Construction-in-progress    
Property, Plant and Equipment [Line Items]    
Total property, plant and equipment, gross $ 1,330 $ 1,657