Segment Reporting, Geographic Information, and Significant Customers (Details 3)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Customer A [Member]
Summary of customers comprising 10% or greater of outstanding accounts and other receivable
Outstanding accounts and other receivable, percentage			37.00%
Customer B [Member]
Summary of customers comprising 10% or greater of outstanding accounts and other receivable
Outstanding accounts and other receivable, percentage	33.00%
Customer C [Member]
Summary of customers comprising 10% or greater of outstanding accounts and other receivable
Outstanding accounts and other receivable, percentage	38.00%	14.00%
Customer D [Member]
Summary of customers comprising 10% or greater of outstanding accounts and other receivable
Outstanding accounts and other receivable, percentage		14.00%	13.00%
Customer E [Member]
Summary of customers comprising 10% or greater of outstanding accounts and other receivable
Outstanding accounts and other receivable, percentage	10.00%