Note 2 - Discontinued Operations (Details Textual) - USD ($)		12 Months Ended
	Mar. 29, 2018	Nov. 30, 2018	Nov. 30, 2017	Jan. 31, 2018
Real Estate Held for Sale, Sale Price Offer				$ 1,500,000
Impairment of Real Estate			$ 289,000
Real Estate Held for Sale, Expected Proceeds			$ 1,425,000
Proceeds from Sale of Real Estate, Total	$ 1,500,000	$ 1,500,000