Segment Reporting, Geographic Information, and Significant Customers (Details 2)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of customers comprising more than 10% in net revenue
Total	24.00%	32.00%	24.00%
Customer A [Member]
Summary of customers comprising more than 10% in net revenue
Total	24.00%	20.00%	14.00%
Customer B [Member]
Summary of customers comprising more than 10% in net revenue
Total		12.00%	10.00%
Customer C [Member]
Summary of customers comprising more than 10% in net revenue
Total
Customer D [Member]
Summary of customers comprising more than 10% in net revenue
Total
Customer E [Member]
Summary of customers comprising more than 10% in net revenue
Total