Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Measurements [Abstract]

Fair Value Measurements by Level for Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table summarizes fair value measurements by level at March 31, 2017 for assets and liabilities measured at fair value on a recurring basis:

(In thousands)	Level I		Level II		Level III			Total
Cash equivalents	$	46,336	$	—	$	—		$	46,336
Warrant liability		—		—		(3,822	)		(3,822	)

The following table summarizes fair value measurements by level at December 31, 2016 for assets and liabilities measured at fair value on a recurring basis:

(In thousands)	Level I		Level II		Level III			Total
Cash equivalents	$	56,276	$	—	$	—		$	56,276
Warrant liability		—		—		(3,789	)		(3,789	)