Leases (Details) - USD ($)	6 Months Ended	9 Months Ended
Nov. 30, 2020	Feb. 28, 2022	Feb. 28, 2021
Leases [Abstract]
Lease expiration, description		The lease agreements for New York City, Hauppauge and New Jersey expire on August 31, 2022, December 31, 2023 and May 31, 2027, respectively, and do not include any renewal options. During the fiscal year ended May 31, 2021, the Company extended its lease in Hauppauge, entered into a lease in a new location for its New Jersey office expiring May 31, 2027 and entered into an agreement to sublease the space in New York City expiring August 31, 2022.
Right-of-use asset impairment charge	$ 136,599		$ 136,599
Operating lease expense		$ 240,000	$ 352,000
Operating lease, weighted average remaining lease term		2 years 10 months 24 days

Lease expiration, description.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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- References

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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