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Property Plant and Equipment
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property Plant and Equipment

Note 3. Property Plant and Equipment

 

Major classes of property and equipment consist of the following at December 31:

 

   2022   2021 
Manufacturing and customer equipment  $3,637,000   $3,800,000 
Other property   69,000    36,000 
Property and equipment, gross   3,706,000    3,836,000 
Less: accumulated depreciation   (3,317,000)   (2,894,000)
Property and equipment   389,000    942,000 
Equipment not yet placed in service   -    646,000 
Property and equipment, net of depreciation  $389,000   $1,588,000 

 

We recorded depreciation expense related to these assets of $467,000 and $557,000 for the years ended December 31, 2022 and 2021, respectively. Depreciation expense in cost of revenue was $29,000 and $18,000 for the years ended December 31, 2022 and 2021 respectively.