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Property and Equipment
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
Property and equipment are as follows (in thousands):
December 31,
20212020
Land$886 $2,415 
Land improvements520 867 
Buildings and leasehold improvements5,473 6,364 
Machinery and equipment6,843 7,760 
Furniture and fixtures620 649 
Transportation equipment878 1,190 
Computer equipment and software1,176 1,296 
   Property and equipment16,396 20,541 
Less accumulated depreciation(11,100)(11,454)
Property and equipment, net$5,296 $9,087 
Depreciation expense totaled $1.0 million and $2.5 million for the years ended December 31, 2021 and 2020, respectively.
In the third quarter of 2021, the Company committed to plans to sell its warehouse facility in Monahans, Texas and its manufacturing facility in Waller, Texas, in their current condition and as a result the associated assets in the amount of $2.8 million are classified as held for sale as of December 31, 2021. Subsequent to December 31, 2021, the Company entered into a contract to sell the Waller manufacturing facility which is expected to close in April 2022. See further discussion in Note 22, Subsequent Events.

During the year ended December 31, 2020, the Company recorded an impairment of property and equipment assets totaling $30.2 million. No impairment was recognized during the year ended December 31, 2021. Refer to Note 10 — Impairment of Property and Equipment, Operating Lease Right-of-use Assets and Intangible Assets.