Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property and Equipment

Schedule of net property and equipment at cost

	December 31,
(In thousands)	2017		2016
Leasehold improvements	$	671	$	671
Laboratory equipment and other		5,261		5,127
Total property and equipment, at cost		5,932		5,798
Less: Accumulated depreciation and amortization		4,460		3,945
Property and equipment, net	$	1,472	$	1,853