7. SHAREHOLDERS' EQUITY (Tables)

3 Months Ended

Dec. 31, 2020

Stockholders' Equity Attributable to Parent [Abstract]

Fair value assumptions

The following table summarizes the inputs used for the Black-Scholes pricing model on the options issued in the three months ended December 31, 2020 and 2019:

	2020			2019
Weighted average exercise price	$	5.11		$	3.15
Risk free interest rate		0.16	%		1.64	%
Volatility		100.72	%		95.96	%
Expected term		4 years			5 years
Dividend yield		None			None

The following table summarizes the inputs used for the Black-Scholes pricing model on the warrants issued in the three months ended December 31, 2020 and 2019:

	2020			2019
Weighted average exercise price	$	3.74		$	3.9125
Risk free interest rate		0.39	%		1.48	%
Volatility		103.42	%		95.36	%
Expected term		2.75 years			5 years
Dividend yield		None			None