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DERIVATIVE LIABILITIES (Tables)
12 Months Ended
Sep. 30, 2021
DERIVATIVE LIABILITIES  
Fair Value Measurement Inputs and Valuation Techniques

The Company uses the Black-Scholes option pricing model to estimate fair value. The following weighted average assumptions were used to estimate the fair value of the derivative warrant liabilities on September 30, 2021 and 2020:

September 30, 

September 30, 

2021

    

2020

Risk-free interest rate

 

0.49

%  

0.22

%

Expected life

 

1.28

years

2.28

years

Expected annualized volatility

 

86.0

%  

97.3

%

Dividend

 

 

Liquidity discount

 

20

%  

20

%

Schedule of Changes to Derivative Liabilities

The following table is a continuity schedule of changes to the Company’s derivative liabilities:

    

Total

Balance, September 30, 2018

 

$

17,679

Change in fair value

 

(1,159)

Balance, September 30, 2019

 

$

16,520

Change in fair value

 

110,856

Balance, September 30, 2020

 

$

127,376

Change in fair value

 

(107,024)

Balance, September 30, 2021

 

$

20,352

Derivatives with expected life of less than one year

 

$

Derivatives with expected life greater than one year

 

$

20,352