Accounts Payable, Accrued Expenses and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

Accrued expenses and other liabilities consisted of the following:

	December 31,
	2011		2012
	(In thousands)
Accounts payable	$	604	$	1,180
Accrued employee compensation		728		1,335
Accrued contracted services & other		172		1,231
Accounts payable, accrued expenses and other liabilities	$	1,504	$	3,746