Concentration of Credit Risk and Major Customers (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011	Sep. 30, 2012		Sep. 30, 2011
Customer A [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	31.00%		20.00%	37.00%		18.00%
Customer B [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	17.00%		15.00%	13.00%		14.00%
Customer C [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	12.00%		12.00%	0.00%	[1]	16.00%
Customer D [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	0.00%	[1]	11.00%	16.00%		16.00%
Customer E [Member]
Entity-Wide Revenue and Accounts Receivable, Major Customer, Percentage	0.00%	[1]	23.00%	0.00%	[1]	10.00%

[1] Customer accounted for less than 10% for the period indicated.