Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Expenses [Abstract]

Accrued expenses

Accrued expenses are comprised of the following:

	December 31,
(in thousands)	2012		2011
Accrued compensation	$	1,206	$	957
Accrued manufacturing		926		917
Accrued research and development		734		461
Accrued accounting and legal fees		428		315
Accrued sales and marketing		279		-
All other accrued expenses		586		322
Total accrued expenses	$	4,159	$	2,972