Property and equipment, net

6 Months Ended

Jun. 30, 2016

Property Plant And Equipment [Abstract]

5. Property and equipment, net

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

	June 30, 2016			December 31, 2015
Computer equipment and software	$	1,313		$	1,259
Office equipment		1,427			1,104
Laboratory equipment		13,984			10,520
Leasehold improvements		13,940			11,010
Construction-in-progress		88,264			65,542
Total property and equipment, gross		118,928			89,435
Less accumulated depreciation and amortization		(9,629	)		(6,821	)
Total Property and equipment, net	$	109,299		$	82,614

Construction-in-progress as of June 30, 2016 includes $87.2 million related to construction costs incurred by the landlord at 60 Binney Street in Cambridge, Massachusetts. Please refer to Note 7, "Commitments and contingencies," for further information.