Interest Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Interest Expense [Abstract]
Interest expense for debt	$ 399	$ 46
Interest expense for capital lease	27	7
Other interest expense	(5)	14
Interest (income) expense, net	$ 421	$ 67