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Investment in Unigen Power, Inc. (Tables) | 12 Months Ended
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Jan. 31, 2020
Investments, All Other Investments [Abstract] |
Schedule of Warrants Valuation Assumptions | The value of the warrants was based on Black-Scholes pricing model based on the following inputs: 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) |  |  | 2.0 |
Annualized risk-free rate |  |  | 1.630 | %
Annualized volatility |  |  | 27.43 | %

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