Note 9 - Mortgage Notes Payable (Details) - Mortgage Notes Payable (USD $)	Jan. 31, 2014	Jan. 31, 2013
Debt Instrument [Line Items]
Mortgage note payable	$ 18,746,571	$ 19,954,924
Secured by Yuma Property [Member]
Debt Instrument [Line Items]
Mortgage note payable	5,355,051	5,469,475
Secured by Tucson Foothills Property [Member]
Debt Instrument [Line Items]
Mortgage note payable	1,241,111	1,706,278
Secured by Ontario Property [Member]
Debt Instrument [Line Items]
Mortgage note payable	5,983,480	6,323,592
Secured by Albuquerque Property [Member]
Debt Instrument [Line Items]
Mortgage note payable	1,126,983	1,227,744
Secured by Tucson St.Mary's Property [Member]
Debt Instrument [Line Items]
Mortgage note payable	$ 5,039,946	$ 5,227,835