Concentration of Credit Risk and Major Customers (Details)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Customer A [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	41.00%	25.00%
Customer B [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	16.00%	10.00%
Customer C [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	14.00%	21.00%
Customer D [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	10.00%	19.00%