FAIR VALUE OF ASSETS AND LIABILITIES (Tables)

3 Months Ended

Mar. 31, 2017

FAIR VALUE OF ASSETS AND LIABILITIES

Summary of assets and liabilities measured at fair value on a recurring basis

	At March 31, 2017
(In thousands)	Level 1		Level 2		Level 3		Fair Value
Cash equivalents	$	14,337	$	—	$	—	$	14,337
Marketable securities		—		12,400		—		12,400
Derivative warrant liability	$	—	$	1,073	$	—	$	1,073

	At December 31, 2016
(In thousands)	Level 1		Level 2		Level 3		Fair Value
Cash equivalents	$	21,353	$	—	$	—	$	21,353
Marketable securities		—		11,577		—		11,577
Derivative warrant liability	$	—	$	1,314	$	—	$	1,314