Accounts Payable and Accrued Expenses

3 Months Ended

Mar. 31, 2012

Notes to Financial Statements [Abstract]

Accounts Payable and Accrued Expenses

6.  Accounts Payable and Accrued Expenses

	March 31, 2012		December 31, 2011
Accrued consulting and clinical trial costs	$	1,750	$	1,637
Accrued payroll and related costs		1,130		3,149
Restructuring accrual		130		731
Legal and professional fees		594		371
Accounts payable		309		309
Other		186		134
Total	$	4,099	$	6,331

Accounts payable and accrued expenses decreased as of March 31, 2012, compared to year end, primarily due to the payment of 2011 accrued bonuses in the first quarter of 2012.