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Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2024
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property, plant and equipment from continuing operations consist of the following:
(in thousands)March 31, 2024December 31, 2023
Land$723 $723 
Leasehold improvements3,079 3,079 
Buildings1,534 1,534 
Machinery, fixtures and equipment93,863 93,758 
Construction-in-progress1,237 1,330 
100,436 100,424 
Less: accumulated depreciation and amortization(71,788)(70,669)
Property, plant and equipment, net$28,648 $29,755 
The following table sets forth depreciation expense related to property, plant and equipment:
Three Months Ended March 31,
(in thousands)20242023
Cost of sales$1,454 $1,489 
Selling, general and administrative68 60 
Total depreciation$1,522 $1,549