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Note 13 - Minimum Debt Payments | 12 Months Ended
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Jan. 31, 2013
Maturities Of Long Term Debt [Text Block] | 13. MINIMUM DEBT PAYMENTS Scheduled minimum payments of debt as of January 31, 2013 are as follows in the respective fiscal years indicated:
FISCAL YEAR |  | MORTGAGES |  |  | OTHER NOTES PAYABLE |  |  | NOTES PAYABLE TO BANK |  |  | TOTAL |
2014 |  | $ | 1,208,365 |  |  | $ | 189,799 |  |  | $ | 450,000 |  |  | $ | 1,848,164 |
2015 |  |  | 6,106,484 |  |  |  | 74,237 |  |  |  | — |  |  |  | 6,180,721 |
2016 |  |  | 6,439,738 |  |  |  | 55,090 |  |  |  | — |  |  |  | 6,494,828 |
2017 |  |  | 451,232 |  |  |  | 33,130 |  |  |  | — |  |  |  | 484,362 |
2018 |  |  | 277,300 |  |  |  | — |  |  |  | — |  |  |  | 277,300 |
Thereafter |  |  | 5,471,805 |  |  |  | — |  |  |  | — |  |  |  | 5,471,805 |
|  | $ | 19,954,924 |  |  | $ | 352,256 |  |  | $ | 450,000 |  |  | $ | 20,757,180 |

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Namespace Prefix: | iht_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration