Note 7 - Assets Held for Lease - Summary of Assets Held for Lease (Details) - USD ($)	Feb. 28, 2018	Nov. 30, 2017
Assets held for lease	$ 1,201,515	$ 1,217,164
West Union Facility [Member]
Assets held for lease	1,111,946	1,118,330
Modular Buildings [Member]
Assets held for lease	$ 89,569	$ 98,834

The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant