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PROPERTY, PLANT AND EQUIPMENT, NET
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT, NET
Property, plant and equipment, net consisted of the following:
December 31,
20222021
(In thousands)
Machinery and equipment$3,057 $2,077 
Furniture and fixtures585 1,036 
Computer hardware and software660 614 
Leasehold improvements1,025 1,034 
5,327 4,761 
Accumulated depreciation and amortization(1,790)(578)
Property, plant and equipment, net$3,537 $4,183 
Total depreciation and amortization expense in the consolidated statements of operations was $1.4 million and $438,000 for the years ended December 31, 2022 and 2021, respectively. Our Intellectual Property Operations and parent company include depreciation and amortization in general and administrative expenses. For the year ended December 31, 2022, our Industrial Operations allocated depreciation and amortization, totaling $1.3 million, to all applicable operating expense categories, including cost of sales of $1.1 million. For the period from October 7, 2021 through December 31, 2021, our Industrial Operations allocated depreciation and amortization, totaling $684,000, to all applicable operating expense categories, including cost of sales of $257,000.