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Property and Equipment
 3 Months Ended
Mar. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment are as follows (in thousands):
March 31, 2023December 31, 2022
Land$886 $886 
Land improvements520 520 
Buildings and leasehold improvements5,356 5,356 
Machinery and equipment6,758 6,758 
Furniture and fixtures532 532 
Transportation equipment784 784 
Computer equipment and software1,582 1,425 
   Property and equipment16,418 16,261 
Less accumulated depreciation(11,611)(11,435)
Property and equipment, net$4,807 $4,826 
Depreciation expense totaled $0.2 million and $0.2 million for the three months ended March 31, 2023 and 2022.