Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Stock-Based Compensation and Warrants

Schedule of assumptions used for estimating fair value

	Year ended December 31,
	2022			2021
Exercise price	$	0.58-2.61		$	0.33
Expected dividends		0	%		0	%
Expected volatility		95	%		92	%
Risk free interest rate		2.65-3.77	%		1.12	%
Expected life of option (years)		4.3			4.3

Schedule of stock option activity

A summary of stock option activity for the years ended December 31, 2022 and 2021 is as follows:

		Weighted		Weighted Average	Aggregate
		Average Exercise		Remaining	Intrinsic
	Options	Price		Contractual Life	Value
Balance - December 31, 2020	399,779	$	23.50	6.09 years	$	—
Granted	226,000		3.30
Exercised	—		—
Expired	(214)		431.50
Forfeited	—		—
Balance - December 31, 2021	625,565		16.12	5.58 years		—
Granted	1,728,000		0.58
Exercised	—		—
Expired	(43,126)		67.81
Forfeited	(14,541)		3.61
Balance -December 31, 2022 - outstanding	2,295,898	$	3.53	6.44 years	$	—
Balance -  December 31, 2022 - exercisable	429,736	$	15.40	4.57 years	$	—
Grant date fair value of options granted - December 31, 2022		$	706,264
Weighted average grant date fair value - December 31, 2022		$	0.41
Grant date fair value of options granted - December 31, 2021		$	50,100
Weighted average grant date fair value - December 31, 2021		$	2.20

Schedule of outstanding and exercisabe options

The options outstanding and exercisable at December 31, 2022 are as follows:

Options Outstanding						Options Exercisable
					Weighted				Weighted
			Weighted		Average		Weighted		Average
			Average		Remaining		Average		Remaining
Range of			Exercise		Contractual		Exercise		Contractual
Exercise Price		Options	Price		Life	Options	Price		Life
$	0.00 – $350.00	2,291,596	$	2.173	6 years	425,434	$	8.19	5 years
	351.00 – $700.00	843		467.73	1 years	843		467.73	1 years
	701.00 – $1000.00	3,459		792.33	2 years	3,459		792.33	2 years