The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Subsequent events (Details) - shares		6 Months Ended	12 Months Ended
Subsequent events (Details) - shares	Jun. 01, 2020	May 31, 2020	Nov. 30, 2018
RSUs [Member]
Subsequent Event [Line Items]
Stock options granted in lieu of salary		200,000	225,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Granted (in shares)	1,600,000
Stock options granted in lieu of salary	170,000