Property and Equipment

6 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment

5. Property and Equipment

Property and equipment as of June 30, 2022 and December 31, 2021 consisted of the following:

	June 30, 2022			December 31, 2021
Computers and purchased software	$	25,505		$	25,775
Leasehold improvements		4,267			4,198
Furniture and fixtures		2,683			2,672
Machinery and equipment		35,914			37,325
Land		3,091			3,091
Building		4,765			4,765
Building improvements		7,324			7,291
Trial systems at customers’ sites		3,149			3,848
		86,698			88,965
Less: Accumulated depreciation and amortization		(65,463	)		(65,457	)
	$	21,235		$	23,508

During the six months ended June 30, 2022 and 2021, the Company transferred trial systems into inventory from property and equipment with values of $699 and $918, respectively, net of transfers of trial systems to cost of revenue. In addition, the Company transferred $1,091 and $17 of equipment into inventory from property and equipment during the six months ended June 30, 2022 and 2021, respectively.

Depreciation and amortization expense on property and equipment totaled $1,958 and $2,459 for the three months ended June 30, 2022 and 2021, respectively, and $4,040 and $5,160 for the six months ended June 30, 2022 and 2021, respectively.