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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
Property, plant and equipment consist of the following:
(in thousands)20222021
Land$723 $723 
Leasehold improvements4,114 4,641 
Buildings1,534 53 
Machinery, fixtures and equipment113,413 110,127 
Construction-in-progress3,270 1,900 
 123,054 117,444 
Less accumulated depreciation and amortization(80,708)(73,724)
Property, plant and equipment, net$42,346 $43,720 

The following table sets forth depreciation expense related to property, plant and equipment:
(in thousands)20222021
Cost of sales$8,472 $7,293 
Selling, general and administrative250 254 
Total depreciation$8,722 $7,547