v3.22.4

Property and Equipment, Net | 12 Months Ended
--- | ---
Dec. 31, 2022
Property, Plant and Equipment [Abstract] |
Property and Equipment, Net | Property and Equipment, Net Property and equipment, net consist of the following:
| December 31, 2022 |  | December 31, 2021
Computer and office equipment | $ | 1,622,000 |  |  | $ | 819,000 |
Lab equipment | 15,080,000 |  |  | 9,341,000 |
Service equipment placed at customer sites | 10,403,000 |  |  | 6,556,000 |
Leasehold improvements | 4,001,000 |  |  | 2,674,000 |
Total property and equipment, gross | 31,106,000 |  |  | 19,390,000 |
Less accumulated depreciation and amortization | (13,077,000) |  |  | (9,072,000) |
Total property and equipment, net | $ | 18,029,000 |  |  | $ | 10,318,000 |
For the years ended December 31, 2022 and 2021, the Company recorded depreciation expense of $3.8 million and $1.9 million, respectively, which includes an allocation to cost of revenue of $1.5 million and $0.9 million respectively.

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