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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2023

Stockholders' Equity

Schedule of Restricted Stock Units activity

​

​	​	​	​	​	​
​	​	​	​	Weighted
​	​	​	​	Average
​	​	Number of	​	Grant Date Value
​		RSUs		Per Share
RSUs non-vested January 1, 2023		172,800	​	$	1.80
Granted		86,205	​		2.32
Vested		(150,578)	​		1.80
Forfeited		(22,222)	​		1.80
RSUs non-vested June 30, 2023		86,205	​	$	2.32
​	​	​	​	​	​
Vested RSUs undelivered June 30, 2023		29,611	​	$	3.68

Schedule of Black-Scholes option pricing model to stock options granted

​

​	​	​	​	​	​	​	​	​	​	​
​	​	For the Three Months Ended			​	For the Six Months Ended
​	​	June 30,			​	June 30,
​		2023		2022		2023			2022
Expected term (years)	​	5.50 - 10.00		5.09 - 5.50	​	​	5.50 - 10.00	​	​	0.58 - 10.00
Risk free interest rate	​	3.44% - 4.02%	​	2.79%	​	​	3.44% - 4.18%	​	​	0.76% - 2.79%
Expected volatility	​	82% - 94%	​	88%	​	​	82% - 95%	​	​	82% - 90%
Expected dividends	​	0.00%	​	0.00%	​	​	0.00%	​	​	0.00%

Summary of the option activity

​

​	​	​	​	​	​	​	​	​	​	​
​				​			​		​
​	​	​		​			​	​	​	​
​	​	​		Average			Remaining		Aggregate
​		Number of		Exercise			Life		Intrinsic
​		Options		Price			In Years		Value
Outstanding, January 1, 2023		5,380,553	​	$	3.55				​
Granted		677,190	​		2.39				​
Exercised		(88,999)	​		1.83				​
Forfeited/ Expired		(783,666)	​	​	3.88		​	​	​	​
Outstanding June 30, 2023	​	5,185,078	​	$	3.37	​	7.1	​	$	962,979
​	​	​	​	​	​	​	​	​	​	​
Exercisable June 30, 2023		3,582,370	​	$	3.69		6.2	​	$	501,462

Schedule of information related to stock options

The following table presents information related to stock options as of June 30, 2023:

​

​	​	​	​	​	​	​	​
Options Outstanding					Options Exercisable
​	​	​	​		Weighted	​	​
​	​		Outstanding		Average		Exercisable
Exercise			Number of		Remaining Life		Number of
Price			Options		In Years		Options
​	$1.00 - $1.99		1,407,183	​	4.7		884,183
​	$2.00 - $2.99		1,473,663	​	6.9		844,473
​	$3.00 - $3.99		908,528	​	6.8		694,510
​	$4.00 - $4.99		350,500	​	8.1		216,178
​	$5.00 - $5.99		50,805	​	4.3		50,638
​	$6.00 - $6.99		843,759	​	6.5		741,748
​	$7.00+		150,640	​	4.8		150,640
​	​	​	5,185,078	​	6.2	​	3,582,370

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