Note 6 - Sale of Membership Interests in Albuquerque Suite Hospitality, LLC (Detail) (USD $)	6 Months Ended									1 Months Ended			1 Months Ended	3 Months Ended			1 Months Ended	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Aug. 01, 2012	Jul. 31, 2012 Calendar Years 2014 and 2015 [Member] Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2012 Calendar Years 2014 and 2015 [Member] Unrelated Unit Holders [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2012 Calendar Years 2014 and 2015 [Member] The Trust [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2012 Calendar Year 2013 [Member] Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2012 Calendar Year 2013 [Member] Unrelated Unit Holders [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2012 Calendar Year 2013 [Member] The Trust [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2010 Rare Earth [Member] Class C Limited Partnership Units [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 24, 2012 Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 22, 2010 Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2010 Rare Earth [Member]	Jan. 31, 2011 Unrelated Unit Holders [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2011 Mr. Lawrence Pelegrin [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2012 The Partnership [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2010 Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2010 Albuquerque Suite Hospitality, LLC [Member]	Aug. 01, 2012 Albuquerque Suite Hospitality, LLC [Member]	Jul. 31, 2012 Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2011 Albuquerque Suite Hospitality, LLC [Member]	Jul. 29, 2010 Albuquerque Suite Hospitality, LLC [Member]	Jul. 22, 2010 Albuquerque Suite Hospitality, LLC [Member]
Percentage of Membership Interest in a Subsidiary Committed to Purchase by an Affiliate															1.00%								51.00%
Number of Partnership Units Available for Sale (in Shares)																							400
Sale Price Per Partnership Unit (in Dollars per share)																							$ 10,000
Cumulative Priority Distribution Period																	5
Formation Fee Earned by an Affiliate (in Dollars)													$ 320,000
Number of Partnership Units Payable to an Affiliate as a Formation Fee (in Shares)										32
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)																				280,000
Percentage of Membership Interests Committed to Purchase by Third Party														47.00%			8.00%	8.00%				11.00%
Proceeds from Divestiture of Interest in Joint Venture (in Dollars)	1,604,068	1,307,397												1,754,000	20,000			400,000
Number of Units Available for Sale																	32	32
Formation Fee Earned by Third Party (in Dollars)																		320,000
Percentage of Ownership Interest Held by Related Parties																				8.00%	19.00%
Purchase Units			31.5								40					114
Purchase Price per Unit (in Dollars per Item)			10,000								10,000					10,000
Percentage of Ownership Interest Held by the Trust																			50.25%	42.25%
Percentage of Ownership Interest Held by Unrelated Third Parties																				49.75%
Estimated Annual Minimum Preference Payments (in Dollars)				$ 22,400	$ 139,300	$ 118,300	$ 11,200	$ 69,650	$ 59,150