Note 6 - Sale of Ownership Interests in Albuquerque Suite Hospitality, LLC (Detail) (USD $)	3 Months Ended		0 Months Ended		6 Months Ended			12 Months Ended						0 Months Ended				12 Months Ended					0 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Oct. 29, 2010 Rare Earth [Member] Class C Limited Partnership Units [Member] Albuquerque Suite Hospitality, LLC [Member]	Jul. 29, 2010 Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2011 Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Apr. 30, 2013 Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Oct. 29, 2010 Rare Earth [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2011 Mr. Lawrence Pelegrin [Member] Albuquerque Suite Hospitality, LLC [Member]	Apr. 30, 2013 The Trust [Member] Albuquerque Suite Hospitality, LLC [Member]	Aug. 28, 2012 The Trust [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2012 The Trust [Member] Albuquerque Suite Hospitality, LLC [Member]	Jan. 24, 2012 The Trust [Member] Albuquerque Suite Hospitality, LLC [Member]	Apr. 30, 2013 Unrelated Unit Holders [Member] Albuquerque Suite Hospitality, LLC [Member]	Aug. 28, 2012 Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2012 Albuquerque Suite Hospitality, LLC [Member]	Jan. 24, 2012 Albuquerque Suite Hospitality, LLC [Member]	Jul. 29, 2010 Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2012 Albuquerque Suite Hospitality, LLC [Member]	Jan. 31, 2011 Albuquerque Suite Hospitality, LLC [Member]	Apr. 30, 2013 Albuquerque Suite Hospitality, LLC [Member]	Oct. 29, 2010 Albuquerque Suite Hospitality, LLC [Member]	Jul. 22, 2010 Albuquerque Suite Hospitality, LLC [Member]	Oct. 29, 2010 Rare Earth [Member]
Percentage of Membership Interest in a Subsidiary Committed to Purchase by an Affiliate																						51.00%
Number of Partnership Units Available for Sale (in Shares)																						400
Sale Price Per Membership Interest Unit (in Dollars per share)																						$ 10,000
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 Interest Sold to an Affiliate				11.00%	8.00%			1.00%
Proceeds from Divestiture of Interest in Joint Venture (in Dollars)	15,000	1,081,410						20,000									400,000		1,754,000
Number of Membership Interest Units Sold to an Affiliate (in Shares)					32
Percentage of Membership Interest Sold to an Affiliate				11.00%	8.00%			1.00%
Formation Fee Earned by Third Party (in Dollars)					320,000
Percentage of Ownership Interest Held by Related Parties					19.00%															0.12%
Percentage of Membership Interest Sold to Unrelated Third Parties																			47.00%
Percentage of Membership Interest Sold to an Affiliate				11.00%	8.00%			1.00%
Number of Membership Interest Units Sold to the Trust (in Shares)														31.5	114	40
Purchase Price per Unit (in Dollars per Item)										10,000	10,000	10,000
Payments to Acquire Equity Method Investments (in Dollars)														315,000		400,000		1,140,000
Percentage of Ownership Interest Held by the Trust																				50.63%
Percentage of Ownership Interest Held by Unrelated Third Parties																				49.25%
Estimated Annual Minimum Preference Payments (in Dollars)						$ 350			$ 140,350				$ 139,300