Property and equipment, net consist of the following:


	December 31, 2025			December 31, 2024
Computer and office equipment	$	2,707,000		$	2,723,000
Lab equipment		14,846,000			17,674,000
Service equipment placed at customer sites		22,608,000			22,359,000
Leasehold improvements		2,886,000			3,325,000
Total property and equipment, gross		43,047,000			46,081,000
Less accumulated depreciation and amortization		(28,200,000	)		(26,862,000	)
Total property and equipment, net	$	14,847,000		$	19,219,000

For the years ended December 31, 2025 and 2024, the Company recorded depreciation expense of $4.2 million and $4.9 million, respectively, which includes an allocation to cost of revenue of $2.6 million and $2.8 million respectively.