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Commitments and Contingencies (Details Narrative) (USD $)
3 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Jan. 31, 2015
General and administrative expense related to the lease $ 928,510us-gaap_GeneralAndAdministrativeExpense $ 947,063us-gaap_GeneralAndAdministrativeExpense  
Percentage of parnership interest 4.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired    
Restricted cash balance 0us-gaap_RestrictedCashAndCashEquivalents   0us-gaap_RestrictedCashAndCashEquivalents
Membership fees and reservation amount 83,000IHT_MembershipFeesAndReservationAmount 88,000IHT_MembershipFeesAndReservationAmount  
Tucson Foothills and Albuquerque Hotels [Member]      
Lease expiration date extended Jan. 14, 2014    
Ground lease expiration year 2058    
Loan term 5 years    
Albuquerque Hotel [Member]      
Lease expense 27,531us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= IHT_AlbuquerqueHotelMember
38,990us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= IHT_AlbuquerqueHotelMember
 
Corporate Headquarters [Member]      
Ground lease expiration year 2017    
Loan term 36 months    
General and administrative expense related to the lease 5,263us-gaap_GeneralAndAdministrativeExpense
/ us-gaap_LeaseArrangementTypeAxis
= IHT_CorporateHeadquartersMember
9,911us-gaap_GeneralAndAdministrativeExpense
/ us-gaap_LeaseArrangementTypeAxis
= IHT_CorporateHeadquartersMember
 
First Lease Year Beginning In Fiscal Year 2014 [Member]      
Lease expense 31,994us-gaap_LeaseAndRentalExpense
/ us-gaap_LeaseArrangementTypeAxis
= IHT_FirstLeaseYearBeginningInFiscalYearTwoThousandFourTeenMember
   
Lease Year Ending In Fiscal Year 2017 [Member]      
General and administrative expense related to the lease $ 34,120us-gaap_GeneralAndAdministrativeExpense
/ us-gaap_LeaseArrangementTypeAxis
= IHT_LeaseYearEndingInFiscalYearTwoThousandSevenTeenMember