Other Financial Information (Tables)

3 Months Ended

Mar. 31, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Inventory

Inventory is comprised of the following (in thousands):

	March 31, 2016		December 31, 2015
Raw materials	$	86	$	145
Work in process	319		324
	$	405	$	469

Accrued Expenses

Accrued expenses are comprised of the following (in thousands):

	March 31, 2016		December 31, 2015
Outside research and development services	$	1,420	$	2,228
Professional fees	1,086		466
Deferred compensation	178		178
Environmental remediation	3		6
Other	215		465
	$	2,902	$	3,343

Other Long Term Liabilities

Other long term liabilities are comprised of the following (in thousands):

	March 31, 2016		December 31, 2015
Deferred compensation	$	89	$	135
Deferred rent	90		65
	$	179	$	200