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v2.4.1.9

Note 13 - Other Notes Payable (Details Textual) (USD $) | 12 Months Ended
--- | ---
Jan. 31, 2015 | Jan. 31, 2014
Stock Repurchased During Period, Shares | 99,897 us-gaap_StockRepurchasedDuringPeriodShares | 51,308 us-gaap_StockRepurchasedDuringPeriodShares
Beneficial Interest [Member] |  |
Stock Repurchased During Period, Shares | 79,583 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementClassOfStockAxis = iht_BeneficialInterestMember | 132,051 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementClassOfStockAxis = iht_BeneficialInterestMember
Class A Limited Partnership Units [Member] |  |
Stock Repurchased During Period, Shares | 83,260 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementClassOfStockAxis = iht_ClassALimitedPartnershipUnitsMember | 145,564 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementClassOfStockAxis = iht_ClassALimitedPartnershipUnitsMember
Promissory Demand Note [Member] |  |
Notes Payable | 400,000 us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = iht_PromissoryDemandNoteMember |
Secured Promissory Notes [Member] |  |
Notes Payable | 525,670 us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = iht_SecuredPromissoryNotesMember | 187,567 us-gaap_NotesPayable / us-gaap_DebtInstrumentAxis = iht_SecuredPromissoryNotesMember
Debt Instrument, Interest Rate, Stated Percentage | 7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = iht_SecuredPromissoryNotesMember |

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13, 16 -Article 9 + Details
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Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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Balance Type: | na
Period Type: | duration

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- Details
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Balance Type: |
Period Type: |

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- Details
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Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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X
- Details
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Period Type: |