Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
Jun. 30, 2019 USD ($) Segment	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Summary of Significant Accounting Policies Additional Information [Abstract]
Recorded bad debt expense	$ 0	$ 0	$ 0
Aggregate amount that can be loaned	$ 2,000,000.0
Interest rate	8.00%
Note receivable balance	$ 2,100,000
Impairment of intangible assets	0	0
Research and development	$ 1,100,000	$ 1,200,000	$ 1,100,000
Number of geographic segments \| Segment	2
Increase in revenue from recognition of deferred revenue	$ 500,000
Cash Accounts Held Primarily At Financial Institution
Summary of Significant Accounting Policies Additional Information [Abstract]
Concentration of credit risk	14,600,000
Cash Accounts Held at Other Financial Institutions
Summary of Significant Accounting Policies Additional Information [Abstract]
Concentration of credit risk	$ 4,200,000

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Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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