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Fair Value Measurements (Tables)
12 Months Ended
Sep. 30, 2022
Fair Value Measurements  
Schedule of assets and liabilities measured at fair value on a recurring basis

September 30, 2022

    

(Level 1)

    

(Level 2)

    

(Level 3)

Liabilities

Warrant liability

$

$

$

57,138

September 30, 2021

(Level 1)

    

(Level 2)

    

(Level 3)

Liabilities

Warrant liability

$

$

$

522,918

Schedule of changes in the fair value of Level 3 valuation for the warrant liability

Unsecured Convertible

    

Promissory Note

    

Warrants

Balance at October 1, 2020

$

$

70,772

Fair value at issuance date

12,051,581

Change in fair value

452,146

Balance at September 30, 2021

12,051,581

522,918

Change in fair value

882,903

(465,780)

Repayment

(12,934,484)

Balance at September 30, 2022

$

$

57,138

Schedule of fair value of the warrant liability

    

September 30, 

2022

2021

Risk-free interest rate

4.23

%

0.62

%

Remaining contractual term of warrants (years)

2.4

3.4

Expected volatility

92.5

%

124.7

%

Annual dividend yield

%

%

Fair value of common stock (per share)

$

1.22

$

2.17