Property and Equipment, Net

12 Months Ended

Dec. 31, 2020

Property Plant And Equipment [Abstract]

Property and Equipment, Net

5. Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

	December 31, 2020			December 28, 2019
Manufacturing equipment	$	1,725		$	1,408
OCS Consoles loaned to customers		7,196			6,005
Computer equipment and software		1,338			1,273
Laboratory equipment		617			524
Office and trade show equipment		177			177
Leasehold improvements		1,319			1,319
Construction-in-progress		409			433
		12,781			11,139
Less: Accumulated depreciation and amortization		(8,027	)		(6,347	)
	$	4,754		$	4,792

During the fiscal years ended December 31, 2020 and December 28, 2019, total depreciation and amortization expense was $1.6 million and $1.2 million, respectively. Of those amounts, $1.3 million and $1.0 million, respectively, was recorded as expense in cost of revenue related to the depreciation of OCS Consoles loaned to customers. The Company retains title to OCS Consoles loaned to customers.

Construction-in-progress recorded as of December 31, 2020 and December 28, 2019 was primarily related to the in-process construction of manufacturing equipment.