Property, Plant and Equipment

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment

Property, Plant and Equipment

6.  Property, Plant and Equipment

	As of December 31
(in thousands)	2017		2018
IT equipment	$	1,060	$	1,079
Laboratory equipment		3,299		3,392
Other equipment		15		124
		4,374		4,595
Less: Accumulated depreciation		(3,047)		(3,456)
Property, plant and equipment, net	$	1,327	$	1,139