Stock-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of stock-based compensation expense

	Three Months Ended				Nine Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
Selling, general and administrative	$	211,472	$	816,033	$	569,347	$	1,251,412
Research and development		44,076		62,819		121,989		199,628
Total stock-based compensation expense	$	255,548	$	878,852	$	691,336	$	1,451,040

Schedule of weighted-average assumptions used in the Black-Scholes option-pricing model

	Three Months Ended						Nine Months Ended
	June 30,						June 30,
	2022			2021			2022			2021
Expected stock price volatility		53.5	%		56.0	%		53.5	%		55.9	%
Expected life of options (years)		5.3			5.9			5.6			6.0
Expected dividend yield		0	%		0	%		0	%		0	%
Risk free interest rate		2.8	%		1.0	%		2.3	%		0.6	%