XML 54 R38.htm IDEA: XBRL DOCUMENT
v3.21.1

Convertible Note Receivable in Unigen Power, Inc. (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2021
Investments, All Other Investments [Abstract] |
Schedule of Warrants Valuation Assumptions | Debenture Warrants
Type of option |  | Call option |
Stock price |  | $ | 2.25 |
Exercise (Strike) price |  | $ | 1.00 |
Time to maturity (years) |  |  | 2.0 |
Annualized risk-free rate |  |  | 1.630 | %
Annualized volatility |  |  | 27.43 | %
Additional Warrants
Type of option |  | Call option |
Stock price |  | $ | 2.25 |
Exercise (Strike) price |  | $ | 2.25 |
Time to maturity (years) |  |  | 3.0 |
Annualized risk-free rate |  |  | 1.630 | %
Annualized volatility |  |  | 27.43 |

X
- Definition Schedule of Warrants Valuation Assumptions [Table Text Block] + References No definition available. + Details
Name: | IHT_ScheduleOfWarrantsOrRightsValuationAssumptionsTableTextBlock
Namespace Prefix: | IHT_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration