| Schedule of 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 | |
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