Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Expenses and Other Current Liabilities [Abstract]

Accrued expenses and other current liabilities

Accrued expenses and other current liabilities at December 31, 2012 and 2011 are summarized below (in thousands).

	2012		2011
Professional fees	$	340	$	286
Research and development costs		2,340		4,177
Wages, bonuses and employee benefits		282		227
Other		71		97
Total	$	3,033	$	4,787