Significant Customers (Details)	12 Months Ended
	Dec. 31, 2012 customer	Dec. 31, 2011 customer	Dec. 31, 2010 customer
Significant Customers (Textual) [Abstract]
Trade receivables	10.00%
Accounts receivable	93.00%	89.00%
Number of significant customer	2	3	3
Customer One [Member]
Revenue, Major Customer [Line Items]
Revenue	38.00%	38.00%	17.00%
Customer Two [Member]
Revenue, Major Customer [Line Items]
Revenue	29.00%	19.00%	15.00%
Customer Three [Member]
Revenue, Major Customer [Line Items]
Revenue		12.00%	14.00%