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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Allowance for doubtful accounts	$ 51,495	$ 88,485
FDIC insured amount	250,000
Revenues	$ 31,756,345	$ 31,058,737
Percentage of revenue	100.00%	100.00%
Foreign currency transaction gain (loss)	$ 35,960	$ (19,529)
Restricted common stock
Antidilutive securities amount	245,252	191,855
Accounts receivable
Revenues	$ 4,717,453	$ 4,449,260
Percentage of revenue	100.00%	100.00%
Maximum
Property and equipment estimated useful lives	7 years
Minimum
Property and equipment estimated useful lives	3 years
Europe financial institutions
Antidilutive securities amount	88,807	134,175
Deposits	$ 88,807	$ 134,175
United States
Revenues	$ 17,757,521	$ 17,219,763
Percentage of revenue	55.90%	55.40%
United States | Accounts receivable
Revenues	$ 2,798,224	$ 2,670,674
Percentage of revenue	59.30%	60.00%
Europe
Revenues	$ 11,590,169	$ 11,388,620
Percentage of revenue	36.50%	36.70%
Europe | Accounts receivable
Revenues	$ 1,650,030	$ 1,553,706
Percentage of revenue	35.00%	34.90%
Rest of World
Revenues	$ 2,408,655	$ 2,450,354
Percentage of revenue	7.60%	7.90%
Rest of World | Accounts receivable
Revenues	$ 269,199	$ 224,880
Percentage of revenue	5.70%	5.10%
Employee stock options
Antidilutive securities amount	3,258,408	3,327,580
Employee stock options | Warrant
Antidilutive securities amount	50,000	385,000

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