Summary of Significant Accounting Policies (Details 4)		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended			12 Months Ended
	Dec. 31, 2012 Customers item	Dec. 31, 2012 Net sales Products Product 1	Dec. 31, 2011 Net sales Products Product 1	Dec. 31, 2012 Net sales Products Product 1	Dec. 31, 2011 Net sales Products Product 1	Dec. 31, 2012 Net sales Products Product 2	Dec. 31, 2011 Net sales Products Product 2	Dec. 31, 2012 Net sales Products Product 2	Dec. 31, 2011 Net sales Products Product 2	Dec. 31, 2012 Net sales Products Product 3	Dec. 31, 2011 Net sales Products Product 3	Dec. 31, 2012 Net sales Products Product 3	Dec. 31, 2011 Net sales Products Product 3	Dec. 31, 2012 Net sales Customers Customer A	Dec. 31, 2011 Net sales Customers Customer A	Dec. 31, 2012 Net sales Customers Customer A	Dec. 31, 2011 Net sales Customers Customer A	Dec. 31, 2012 Net sales Customers Customer B	Dec. 31, 2011 Net sales Customers Customer B	Dec. 31, 2012 Net sales Customers Customer B	Dec. 31, 2011 Net sales Customers Customer B	Dec. 31, 2012 Net sales Customers Customer C	Dec. 31, 2011 Net sales Customers Customer C	Dec. 31, 2012 Net sales Customers Customer C	Dec. 31, 2011 Net sales Customers Customer C	Dec. 31, 2012 Accounts receivable Customers Four customers	Jun. 30, 2012 Accounts receivable Customers Four customers
Concentration risk
Concentration risk (as a percent)		40.00%	40.00%	39.00%	43.00%	12.00%	1.00%	11.00%	1.00%	10.00%	8.00%	9.00%	10.00%	16.00%	17.00%	17.00%	19.00%	13.00%	11.00%	12.00%	11.00%	10.00%	19.00%	10.00%	15.00%	66.00%	66.00%
Concentration risk customers	4