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Significant Accounting Policies - Fair values of financial assets of the Company (Details) - USD ($)	May 31, 2021	Feb. 28, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Marketable Securities, Current	$ 3,490,358	$ 4,563,470
Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Marketable Securities, Current	3,490,358	4,261,927
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Marketable Securities, Current		301,543
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Marketable Securities, Current

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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.

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- Definition

Amount of investment in marketable security, classified as current.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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