Summary of Significant Accounting Policies - Concentrations (Details) - Net sales	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Products | Product 1
Concentration risk
Concentration risk (as a percent)	15.00%	7.00%
Products | Product 2
Concentration risk
Concentration risk (as a percent)	9.00%	20.00%
Customers | Customer A
Concentration risk
Concentration risk (as a percent)	26.00%	25.00%
Customers | Customer B
Concentration risk
Concentration risk (as a percent)	22.00%	27.00%
Customers | Customer C
Concentration risk
Concentration risk (as a percent)	10.00%	13.00%