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Stock Options (Tables)

12 Months Ended

Dec. 31, 2021

Stock Options

Schedule of Stock Option Activity

​

​	​	​	​	​	​	​	​	​	​	​
​		​		​	​		Weighted-Average		​	​
​	​	​	​	Weighted -Average		​	Remaining	​	​	​
​	​	Number of	​	Exercise		​	Contractual Term	​	Aggregate
​	​	Options	​	Price		​	(years)	​	Intrinsic Value
Outstanding at January 1, 2020		6,828,303	​	$	1.86				​
Granted		1,080,000	​		1.37				​
Exercised		(1,357,116)	​		1.97				​
Forfeited/Expired		(644,303)	​		3.06				​
Outstanding at December 31, 2020	​	5,906,884	​	$	1.61	​	6.86	​	$	89,405
Granted	​	1,226,300	​	​	6.84	​	​	​	​	​
Exercised	​	(1,556,288)	​	​	2.01	​	​	​	​	​
Forfeited/Expired	​	(40,000)	​	​	1.41	​	​	​	​	​
Outstanding at December 31, 2021		5,536,896	​	$	2.66		7.52	​	$	19,154,463
​	​	​	​	​	​	​	​	​	​	​
Exercisable at December 31, 2021		3,266,872	​	$	1.68		6.69	​	$	13,943,444
​	​	​	​	​	​	​	​	​	​	​
Vested and Expected to Vest at December 31, 2021		5,536,896	​	$	2.66		7.52	​	$	19,154,463

Schedule of weighted average assumptions

​

​	​	​	​	​	​	​	​
​	​	For the Years Ended December 31,
​	​	2021		​	2020
​	​	​	​	​	​	​	​
Weighted average fair value of options granted		$	3.73		$	0.61	​
Risk-free interest rate		​	0.22% - 0.82	%		0.29%-0.56	%
Expected life (years)		​	3-6	​		5-6	​
Expected volatility factor		​	58% - 68	%		46.75%-50.09	%
Expected dividends		​	None	​		None	​

Summary of restricted shares under the Company's Plan

​

​	​	​	​	​	​
​		​		Weighted-Average
​	​	​	​	Grant Date Fair
​	​	Number of Shares	​	Value
​	​	​	​	​	​
Outstanding January 1, 2020	​	75,000	​	$	1.38
Granted	​	-	​	​	​
Vested	​	(25,000)	​	​	​
Unvested at December 31, 2020	​	50,000	​	​	​
Granted	​	-	​	​	​
Vested		(25,000)		​	​
Forfeited/Expired		-		​	​
Unvested at December 31, 2021		25,000	​	$	1.38

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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