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Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		6 Months Ended
	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) item shares	Dec. 31, 2020 USD ($) shares	Jun. 30, 2021 USD ($)
FDIC insured amount | $	$ 250,000		$ 250,000
Number of revenue sources | item	2		2
Foreign currency transaction gain (loss) | $	$ (11,982)	$ 17,469	$ (23,225)	$ 41,718
Restricted Common Stock [Member]
Antidilutive securities amount | shares			345,726	250,553
Europe financial institutions
Deposits | $	$ 568,209		$ 568,209		$ 138,488
Employee stock options
Antidilutive securities amount | shares			3,272,850	3,564,018
Employee stock options | Warrant
Antidilutive securities amount | shares				320,000

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