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Property, Plant, and Equipment
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant, and Equipment Property, Plant, and Equipment
Property, plant, and equipment consisted of the following (in thousands):
 December 31,
 20212020
Land$3,951 $3,951 
Buildings24,533 24,533 
Building improvements47,886 45,978 
Leasehold improvements10,436 12,682 
Computer hardware and software50,748 58,162 
Manufacturing test equipment30,562 29,816 
Furniture and fixtures6,449 6,372 
174,565 181,494 
Less: accumulated depreciation(97,019)(102,321)
$77,546 $79,173 
The Company disposed of property, plant, and equipment with a cost basis of $20,647,000 and accumulated depreciation of $20,614,000 in 2021, resulting in a loss of $33,000. The Company disposed of property, plant, and equipment with a cost basis of $26,829,000 and accumulated depreciation of $24,977,000 in 2020, resulting in a loss of $1,852,000. Disposals in 2020 included leasehold improvements and other assets associated with office closures as a part of the Company's 2020 restructuring plan (refer to Note 22).