PROPERTY AND EQUIPMENT, NET

12 Months Ended

Dec. 31, 2022

PROPERTY AND EQUIPMENT, NET

PROPERTY AND EQUIPMENT, NET

4.PROPERTY AND EQUIPMENT, NET

Property and equipment consist of the following:

	As of December 31,
	2021		2022
Laboratory equipment	$	141	$	368
Transportation equipment		—		54
Office equipment		—		23
Leasehold improvements		—		187
Less: accumulated depreciation		(47)		(91)
Total	$	94	$	541

Depreciation expenses recognized during the years ended December 31, 2020, 2021 and 2022, were approximately $17, $30 and $64 respectively.