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Property and Equipment (Tables)
 6 Months Ended
Jun. 30, 2021
Property, Plant and Equipment [Abstract]  
Components of property and equipment Property and equipment are as follows (in thousands):
June 30, 2021December 31, 2020
Land$1,986 $2,415 
Land improvements861 867 
Buildings and leasehold improvements6,367 6,364 
Machinery and equipment7,782 7,760 
Furniture and fixtures651 649 
Transportation equipment1,045 1,190 
Computer equipment and software1,304 1,296 
Property and equipment19,996 20,541 
Less accumulated depreciation(11,979)(11,454)
Property and equipment, net$8,017 $9,087