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PROPERTY AND EQUIPMENT
12 Months Ended
Dec. 31, 2022
PROPERTY AND EQUIPMENT  
PROPERTY AND EQUIPMENT

(4)   PROPERTY AND EQUIPMENT

The components of property and equipment are as follows (in thousands):

    

December 31, 2022

    

December 31, 2021

Property and equipment

  

 

  

Office furniture and equipment

$

2,819

$

2,391

Assembly equipment

 

110

 

100

Vehicles

 

203

 

203

Leasehold improvements

 

1,173

 

1,054

Leased devices

 

1,162

 

1,080

$

5,467

$

4,828

Less accumulated depreciation

 

(3,292)

 

(2,642)

$

2,175

$

2,186

The Company monitors devices out on lease for potential loss and places an estimated reserve on the net book value based on an analysis of the number of units of which are still with patients for which the Company cannot determine the current status.

Total depreciation expense related to our purchased property and equipment was $0.7 million and $0.9 million for the years ended December 31, 2022 and 2021, respectively.

Total depreciation expense related to devices out on lease was $1.5 million and $1.4 million for the years ended December 31, 2022 and 2021, respectively. Depreciation on leased units is reflected on the income statement as cost of revenue.