Prepaid Expenses And Other Assets

9 Months Ended

Sep. 30, 2011

Prepaid Expenses And Other Assets [Abstract]

Prepaid Expenses And Other Assets

4.      Prepaid Expenses and Other Assets

Prepaid expenses and other assets are comprised of the following:

	September 30,	December 31,
	2011	2010
Prepaid sales, marketing and medical affairs expenses	$                1,589	$             1,308
Prepaid expenses and other assets	1,299	650
Prepaid research and development expenses	291	222
	$                3,179	$             2,180