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Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Property and equipment, gross $ 32,541 $ 30,472
Less: accumulated depreciation and amortization (13,939) (12,737)
Property and equipment, net 18,602 17,735
Land and Land Improvements    
Property and equipment, gross 3,764 2,688
Buildings and Improvements    
Property and equipment, gross 8,930 8,962
Machinery and Equipment    
Property and equipment, gross 13,952 13,621
Rental Equipment    
Property and equipment, gross $ 5,895 $ 5,201