Note 4 - Sale of Partnership Interests in Tucson Hospitality Properties Subsidiary (Detail) (USD $)	12 Months Ended		0 Months Ended					0 Months Ended		12 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Feb. 27, 2011 Rare Earth [Member] Tucson Hospitality Properties, LP [Member]	Jan. 31, 2013 Unrelated Unit Holders [Member] Tucson Hospitality Properties, LP [Member]	Jan. 31, 2013 The Trust [Member] Tucson Hospitality Properties, LP [Member]	Jan. 31, 2013 The Partnership [Member] Tucson Hospitality Properties, LP [Member]	Jan. 31, 2013 Rare Earth [Member] Tucson Hospitality Properties, LP [Member]	Oct. 29, 2010 Rare Earth [Member]	Feb. 17, 2011 Tucson Hospitality Properties, LP [Member]	Jan. 31, 2013 Tucson Hospitality Properties, LP [Member]	Jan. 31, 2012 Tucson Hospitality Properties, LP [Member]	Feb. 27, 2011 Tucson Hospitality Properties, LP [Member]
Number of Units of Partnership Interest in a Subsidiary Committed to Purchase by an Affiliate (in Shares)									250
Percentage of Membership Interest in a Subsidiary Committed to Purchase by an Affiliate									41.00%
Cumulative Priority Distribution Period									5 years
Formation Fee Earned by an Affiliate (in Dollars)			$ 320,000					$ 320,000
Number of Partnership Units Sold Threshold (in Shares)												160
Per Annum Simple Return												7.00%
Percentage of Additional Profits Allocated to an Affiliate			50.00%
Percentage of Profits Allocated Proportionately to All Unit Classes												50.00%
Priority Distributions, Year Two Through Five (in Dollars)										452,900
Number of Membership Interest Units Sold to Unrelated Parties (in Shares)											259
Sale Price Per Membership Interest Unit (in Dollars per share)											$ 10,000
Proceeds from Divestiture of Interest in Joint Venture (in Dollars)	2,218,594	2,414,555								2,590,000
Percentage of Ownership Interest Held by RRF Limited Partnership										56.41%
Percentage of Ownership Interest Held by the Trust										1.70%
Percentage of Ownership Interest Held by Related Parties										1.86%
Percentage of Ownership Interest Held by Unrelated Third Parties										40.03%
Estimated Annual Minimum Preference Payments (in Dollars)				$ 181,300	$ 7,700	$ 255,500	$ 8,400