Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Payable and Accrued Expenses [Abstract]

Summary of accounts payable and accrued expenses

	December 31,
	2012		2011
	(In thousands)
Accounts payable	$	380	$	318
Accrued legal, professional fees and other		522		513
Accrued vacation		21		24
Clinical trial expenses and contract research		—		39
	$	923	$	894