Revenue Recognition and Contracts with Customers (Details) - USD ($)	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Revenue:
Refund liabilities	$ 4,277,000	$ 3,331,000
Sales revenue, net \| Percentage of gross sales \| Revenue from rights
Revenue:
Concentration risk (as a percent)	10.00%	9.00%	8.00%
Other current assets
Revenue:
Right to recover	$ 890,000	$ 701,000

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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-Section 50
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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- Definition

Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 55
-Paragraph 27
-URI http://asc.fasb.org/extlink&oid=121551570&loc=SL49130611-203046-203046

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- Definition

Amount of right to recover product from customer on settling refund liability, classified as current.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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