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v2.4.1.9

Note 7 - Property, Plant, and Equipment, Hotel Properties (Details Textual) (Hotel Properties [Member], USD $) | 12 Months Ended
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Jan. 31, 2015
Property, Plant and Equipment, Additions | $ 3,843,000 us-gaap_PropertyPlantAndEquipmentAdditions
Land [Member] |
Property, Plant and Equipment, Additions | $ 2,500,000 us-gaap_PropertyPlantAndEquipmentAdditions / us-gaap_FairValueByAssetClassAxis = iht_HotelPropertiesMember / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember

X
- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration