Leases - Right of use asset (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2023	Nov. 30, 2022
Leases
Balance, beginning	$ 319	$ 482
Net amortization	(206)	(163)
Balance, ending	$ 113	$ 319

Amount of periodic reduction over lease term of carrying amount of right-of-use asset from operating lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Name:	us-gaap_OperatingLeaseRightOfUseAssetAmortizationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration