Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Accrued Expenses [Abstract]

Accrued expenses

Accrued expenses are comprised of the following:

	December 31,
(in thousands)	2014		2013
Salaries, bonus & benefits	$	2,332	$	1,849
Research and development		1,641		270
Manufacturing operations		876		1,707
Professional fees		376		393
Sales and marketing		318		161
All other		573		405
Total accrued expenses	$	6,116	$	4,785