Note 8 - Assets Held for Lease - Summary of Assets Held for Lease (Details) - USD ($)	Aug. 31, 2021	Nov. 30, 2020
Assets held for lease	$ 521,555	$ 521,555
Modular Buildings [Member]
Assets held for lease	$ 521,555	$ 521,555

Amount, before accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant