Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

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 September 30, 2014 for assets and liabilities measured at fair value on a recurring basis:

(In thousands)	Level I		Level II		Level III			Total
Cash equivalents	$	38,421	$	—		—		$	38,421
Short-term investments		50,621		—		—			50,621
Warrant liability		—		—		(4,622	)		(4,622	)

The following table summarizes fair value measurements by level at December 31, 2013 for assets and liabilities measured at fair value on a recurring basis:

(In thousands)	Level I		Level II		Level III			Total
Cash equivalents	$	10,281	$	—	$	—		$	10,281
Short-term investments		27,085		—		—			27,085
Warrant liability		—		—		(24,182	)		(24,182	)