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Note 20 - Commitments and Contingencies (Details Textual) (USD $) | 12 Months Ended | 1 Months Ended |
--- | --- | --- | ---
Jan. 31, 2015 | Jan. 31, 2014 | Apr. 30, 2014 | Oct. 31, 2014
Percentage of Revenue Deposited Into Escrow Account for Capital Expenditures |  |  |  | 4.00%iht_PercentageOfRevenueDepositedIntoEscrowAccountForCapitalExpenditures
Payments for Fees | $ 342,000 us-gaap_PaymentsForFees | $ 310,000 us-gaap_PaymentsForFees |  |
Final Lease Year [Member] |  |  |  |
Operating Leases, Rent Expense, Minimum Rentals | 34,120 us-gaap_OperatingLeasesRentExpenseMinimumRentals / iht_LeasesAxis = iht_FinalLeaseYearMember |  |  |
First Lease Year [Member] |  |  |  |
Operating Leases, Rent Expense, Minimum Rentals | 31,994 us-gaap_OperatingLeasesRentExpenseMinimumRentals / iht_LeasesAxis = iht_FirstLeaseYearMember |  |  |
Headquarters [Member] |  |  |  |
Operating Leases, Rent Expense | 32,697 us-gaap_LeaseAndRentalExpense / iht_LeasesAxis = iht_HeadquartersMember | 45,021 us-gaap_LeaseAndRentalExpense / iht_LeasesAxis = iht_HeadquartersMember |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract |  |  | 3 years |
Tucson Foothills and Albuquerque Hotels [Member] |  |  |  |
Operating Leases, Rent Expense | 229,665 us-gaap_LeaseAndRentalExpense / iht_LeasesAxis = iht_TucsonFoothillsAndAlbuquerqueHotelsMember | 212,236 us-gaap_LeaseAndRentalExpense / iht_LeasesAxis = iht_TucsonFoothillsAndAlbuquerqueHotelsMember |  |
Operating Leases, Rent Expense, Contingent Rentals | $ 72,000 us-gaap_OperatingLeasesRentExpenseContingentRentals / iht_LeasesAxis = iht_TucsonFoothillsAndAlbuquerqueHotelsMember | $ 88,000 us-gaap_OperatingLeasesRentExpenseContingentRentals / iht_LeasesAxis = iht_TucsonFoothillsAndAlbuquerqueHotelsMember |  |

X
- Definition Percentage of revenue deposited into escrow account for capital expenditures + References No definition available. + Details
Name: | iht_PercentageOfRevenueDepositedIntoEscrowAccountForCapitalExpenditures
Namespace Prefix: | iht_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Rentals -URI http://asc.fasb.org/extlink&oid=6508509 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 40 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6452616&loc=d3e36728-112689 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=7579899&loc=d3e35050-112683 + Details
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Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7661868&loc=d3e34039-112682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash paid during the current period for fees which are not defined elsewhere in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | iht_LeasesAxis=iht_FinalLeaseYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iht_LeasesAxis=iht_FirstLeaseYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | iht_LeasesAxis=iht_HeadquartersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |