Summary of Significant Accounting Policies (Details 4)	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Customers
Concentration risk
Concentration risk customers	4
Net sales | Products | Product 1
Concentration risk
Concentration risk (as a percent)	39.00%	45.00%
Net sales | Products | Product 2
Concentration risk
Concentration risk (as a percent)	10.00%	9.00%
Net sales | Products | Product 3
Concentration risk
Concentration risk (as a percent)	10.00%
Net sales | Products | Product 4
Concentration risk
Concentration risk (as a percent)	8.00%	12.00%
Net sales | Customers | Customer A
Concentration risk
Concentration risk (as a percent)	17.00%	21.00%
Net sales | Customers | Customer B
Concentration risk
Concentration risk (as a percent)	11.00%	12.00%
Net sales | Customers | Customer C
Concentration risk
Concentration risk (as a percent)	10.00%	9.00%
Net sales | Customers | Customer D
Concentration risk
Concentration risk (as a percent)	10.00%	11.00%
Accounts receivable | Customers | Four customers
Concentration risk
Concentration risk (as a percent)	67.00%	71.00%