Promissory notes payable (Tables)

6 Months Ended

9 Months Ended

Dec. 31, 2020

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of Fair Value of Derivative Warrant Liability Assumptions

The fair value of the warrants were estimated using the Binomial model to determine the fair value of the derivative warrant liabilities using the following assumptions:

November 2019 issuance	June 30, 2020			December 31, 2020
Expected life		501 days			317 days
Volatility		100	%		100	%
Risk free interest rate		0.94	%		0.64	%
Dividend yield		0	%		0	%
Share price	$	0.73		$	0.41
Fair value	$	150,161		$	40,999
Change in derivative liability				$	109,162

April 2020 issuance	June 30, 2020			December 31, 2020
Expected life		501 days			317 days
Volatility		100	%		100	%
Risk free interest rate		0.30	%		0.27	%
Dividend yield		0	%		0	%
Share price	$	0.73		$	0.41
Fair value	$	186,410		$	58,373
Change in derivative liability				$	128,037

The fair values of the warrants were estimated using the Binomial model to determine the fair value of the derivative warrant liabilities using the following assumptions:

November 2019 issuance	December 31, 2020			September 30, 2021
Expected life		317 days			44 days
Volatility		100	%		100	%
Risk free interest rate		0.64	%		0.30	%
Dividend yield		0	%		0	%
Share price	$	0.41		$	0.14
Fair value	$	40,999		$	nil
Change in derivative liability				$	40,999

April 2020 issuance	December 31, 2020			September 30, 2021
Expected life		317 days			44 days
Volatility		100	%		100	%
Risk free interest rate		0.27	%		0.30	%
Dividend yield		0	%		0	%
Share price	$	0.41		$	0.14
Fair value	$	58,373		$	nil
Change in derivative liability				$	58,373

Schedule of promissory notes outstanding interest payable

	Amount
Balance, June 30, 2019	$	-
Proceeds on issuance		300,000
Warrant valuation		(206,523	)
Accretion expense		155,001
Balance, June 30, 2020	$	248,478
Accretion expense		51,522
Debt settlement		(189,342	)
Repayment		(110,658	)
Balance, December 31, 2020	$	-