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Summary of Significant Accounting Policies - Exchange rates (Details)	12 Months Ended
	Jun. 30, 2020 $ / $ € / $	Jun. 30, 2019 $ / $ € / $
Euro to US Dollar [Member]
Period end exchange rate | € / $	1.12	1.14
Average period exchange rate | € / $	1.14	1.14
Mexican Peso to US Dollar [Member]
Period end exchange rate | $ / $	0.04	0.05
Average period exchange rate | $ / $	0.05	0.05

X

- Definition

Average period foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901

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