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Note 1 - Nature of Operations and Basis of Presentation (Detail) (USD $)
 3 Months Ended 3 Months Ended 12 Months Ended
Apr. 30, 2013
Apr. 30, 2013
Mr. Wirth and Affiliates [Member]
Apr. 30, 2013
Class A Limited Partnership Units [Member]
Jan. 31, 2013
Class A Limited Partnership Units [Member]
Apr. 30, 2013
Class B Limited Partnership Units [Member]
Chairman and Chief Executive Officer [Member]
Jan. 31, 2013
Class B Limited Partnership Units [Member]
Chairman and Chief Executive Officer [Member]
Apr. 30, 2013
General Partner Units [Member]
Jan. 31, 2013
General Partner Units [Member]
Apr. 30, 2013
RRF Limited Partnership [Member]
Jan. 31, 2013
RRF Limited Partnership [Member]
Apr. 30, 2013
RRF Limited Partnership [Member]
Weighted Average [Member]
Apr. 30, 2012
RRF Limited Partnership [Member]
Weighted Average [Member]
Apr. 30, 2013
Hotel Located in Tucson, Arizona [Member]
Apr. 30, 2013
A InnSuites Hotel Located in Ontario, California [Member]
Apr. 30, 2013
InnSuites Hotel Located in Albuquerque, New Mexico [Member]
Dec. 31, 2012
First 100 Rooms [Member]
Dec. 31, 2012
Number of Rooms Exceeding 100 [Member]
Number of Hotels 5                                
Number of Suites 843                                
Percentage of Ownership Interest Held by the Trust             72.04% 72.04% 72.04% 72.04%     100.00%   50.63%    
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest                     72.04% 72.03%          
Percentage of Ownership Held by the Trust and RRF Limited Partnership                         58.11% 61.60%      
Percentage of Room Revenue Received from Hotels Owned by Affiliates 2.50%                                
Related Party, Monthly Accounting Fee (in Dollars) $ 2,000                                
Related Party Management Fee, Percentage   2.50%                              
Related Party, Accounting Fee, Annual Amount (in Dollars)   27,000                              
Related Party, Accounting Fee, Monthly Payment Amount (in Dollars)   1,000                              
Related Party, Year End Accounting Fee, Amount (in Dollars)   15,000                              
Trademark Fee Paid Per Month Per Room (in Dollars)                               $ 10 $ 2
Units of Partnership Interest, Amount (in Shares)     286,034 286,034 3,407,938 3,407,938 9,517,545 9,517,545                  
Percentage of Total Partnership Units     2.17% 2.17%                          
Number of Shares of Beneficial Interest Received by Limited Partners on If-Converted Basis (in Shares) 3,693,972                                
Number of Partnership Units Purchased During Period by the Trust (in Shares) 7,631                                
Number of Partnership Units Purchased During Period by the Trust, Price Per Unit (in Dollars per share) $ 2.10