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STOCK AWARDS, WARRANTS AND OPTIONS (Tables)

6 Months Ended

Jun. 30, 2023

Warrant [Member]

Summary of warrant activity

The following table summarizes all warrant activity for the six months ended June 30, 2023:

​

​	​	​	​	​	​
​	​	​	​	Weighted Average
​		Warrants		Exercise Price
Outstanding at December 31, 2022		105,782	​	$	1.37
Granted	​	—	​	​	—
Exercised	​	—	​	​	—
Outstanding at June 30, 2023		105,782	​	$	1.37

​

Schedule of outstanding warrants

The following table summarizes all outstanding warrants to purchase shares of the Company’s common stock:

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	Warrants Outstanding			​	​	​	​	​
​	​	​	​	June 30,	​	December 31,	​	Exercise Price		​	Expiration
Type		Grant Date		2023		2022		per Share			Date
​	​	​	​	​	​	​	​	​	​	​	​
Common Warrants	​	12/19/2019	​	40,782		40,782	​	$	1.10	​	12/19/2024
Common Warrants	​	3/27/2020	​	65,000		65,000	​	$	1.5313	​	3/27/2025
​	​	​	​	105,782	​	105,782	​	​	​	​	​

Stock Option [Member]

Schedule of fair value of option using Black-Scholes option

The Company estimates the fair value of each option award using the Black-Scholes option-pricing model. The Company used the following assumptions to estimate the fair value of stock options issued in the six months ended June 30, 2023 and 2022:

​

​	​	​	​	​	​
​		Six months ended June 30,
​	​	2023	​	2022	​
Expected volatility		115 - 121	%	123 - 124	%
Expected term		5 - 7 years		6 - 7 years	​
Dividend yield		0	%	0	%
Risk-free interest rates		3.5 - 3.9	%	1.5 - 2.9	%

Schedule of employee and non-employee stock based compensation expense

Employee and non-employee stock-based compensation expense was as follows:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Three months ended June 30,

​

Six months ended June 30,

​

​

2023

2022

2023

2022

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

General and administrative

​

$

1,168,262

​

$

910,638

​

$

2,922,485

​

$

1,768,221

​

Research and development

​

450,450

​

247,266

​

891,011

​

455,012

​

Total

​

$

1,618,712

​

$

1,157,904

​

$

3,813,496

​

$

2,223,233

​

Schedule of employee and non-employee stock option

The following is a schedule summarizing employee and non-employee stock option activity for the six months ended June 30, 2023:

​

​	​	​	​	​	​	​	​	​
​	​	Number of	​	Weighted Average		​	Aggregate
​		Options		Exercise Price			Intrinsic Value
Outstanding at December 31, 2022		5,776,839	​	$	2.97		​	​
Granted		2,505,479	​		4.00		​
Exercised		(147,819)	​		2.62		$	228,597
Expired/Cancelled		(455,347)	​		3.80		​
Outstanding at June 30, 2023		7,679,152	​	$	3.26	​	$	11,815,022
Exercisable at June 30, 2023		3,430,336	​	$	2.76	​	$	7,008,821

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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