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PROPERTY AND EQUIPMENT
6 Months Ended
Jun. 30, 2022
PROPERTY AND EQUIPMENT  
PROPERTY AND EQUIPMENT

(4)   PROPERTY AND EQUIPMENT

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

    

June 30, 2022

    

December 31, 2021

Property and equipment

  

 

  

Office furniture and equipment

$

2,537

$

2,391

Assembly equipment

 

103

 

100

Vehicles

 

203

 

203

Leasehold improvements

 

1,165

 

1,054

Leased devices

 

1,072

 

1,080

5,080

4,828

Less accumulated depreciation

 

(2,803)

 

(2,642)

$

2,277

$

2,186

Total depreciation expense related to our property and equipment was $0.2 million and $0.2 million for the three months ended June 30, 2022 and 2021, respectively. Depreciation expense for the six month periods ended June 30, 2022 and 2021 was $0.4 million and $0.3 million, respectively.

Total depreciation expense related to devices out on lease was $0.4 million and $0.4 million for the three months ended June 30, 2022 and 2021, respectively. Depreciation expense related to devices out on lease was $0.7 million and $0.6 million for the six months ended June 30, 2022 and 2021, respectively. Depreciation on leased units is reflected on the income statement as cost of revenue.

During the year ended December 31, 2021, the Company began expensing product demo units sent to its territory managers to use in the field. Total depreciation expense related to demo unit devices out with sales representatives was $0.1 million for the three months ended June 30, 2021. Total depreciation expense related to demo unit devices out with sales representatives was $0.2 million for the six months ended June 30, 2021.

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 which are still with patients for which the Company cannot determine the current status.