Summary of Significant Accounting Policies - Components of Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Inventory Disclosure [Abstract]
Finished goods	$ 10,649	$ 10,164
Raw materials	4,063	3,724
Total inventory	$ 14,712	$ 13,888
Finished goods, percent of inventory (in percentage)	72.40%	73.20%
Raw materials, percent of inventory (in percentage)	27.60%	26.80%
Percent of total inventory (in percentage)	100.00%	100.00%