Summary of Significant Accounting Policies (Details)	3 Months Ended		6 Months Ended			12 Months Ended	6 Months Ended	12 Months Ended
	Dec. 31, 2012 Total net revenue Customer concentration risk Minimum	Dec. 31, 2011 Total net revenue Customer concentration risk Minimum	Dec. 31, 2012 Total net revenue Customer concentration risk Minimum	Dec. 31, 2011 Total net revenue Customer concentration risk Minimum	Dec. 31, 2012 Total accounts receivable Customer concentration risk Major customer one	Jun. 30, 2012 Total accounts receivable Customer concentration risk Major customer one	Dec. 31, 2012 Total accounts receivable Customer concentration risk Major customer two	Jun. 30, 2012 Total accounts receivable Customer concentration risk Major customer two	Dec. 31, 2012 Total accounts receivable Credit concentration risk Major customer one customer	Jun. 30, 2012 Total accounts receivable Credit concentration risk Major customer two customer
Concentration of Credit Risk and Other Risks and Uncertainties
Threshold percentage of concentration risk	10.00%	10.00%	10.00%	10.00%
Number of significant customers									1	2
Percentage of concentration risk					10.00%	10.00%	10.00%	10.00%