Note 17 - Fair Value of Financial Instruments (Details) - Estimated Fair Values of Debt Instruments (USD $)	Jan. 31, 2014	Jan. 31, 2013
Estimated Fair Values of Debt Instruments [Abstract]
Mortgage notes payable	$ 18,746,571	$ 19,954,924
Mortgage notes payable	18,642,765	18,390,891
Notes payable to banks	1,018,925	450,000
Notes payable to banks	1,018,925	450,000
Other notes payable	187,567	352,256
Other notes payable	$ 181,454	$ 354,308