Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment

Schedule of property, plant and equipment

	As of December 31
(in thousands)	2018		2019
IT equipment	$	1,079	$	1,060
Laboratory equipment		3,392		3,375
ROU asset		—		1,647
Other equipment		124		165
		4,595		6,247
Less: Accumulated depreciation		(3,456)		(3,773)
Property, plant and equipment, net	$	1,139	$	2,474