Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Summary of Significant Accounting Policies - Warrants (Details) - shares	Oct. 31, 2021	Oct. 13, 2021	Feb. 28, 2021	Feb. 29, 2020
Warrants
Common stock that can be purchased with warrants (in shares)			450,000	1,400,000
Subsequent event
Warrants
Common stock that can be purchased with warrants (in shares)	13,333,324	13,333,324