Organization and Summary of Significant Accounting Policies - Summary of Customer Allowances for Trade Promotions and Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Accounting Policies [Abstract]
Trade promotions	$ 1,648	$ 2,153
Allowance for doubtful accounts	14	183
Trade promotions and allowance for doubtful accounts	$ 1,662	$ 2,336