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Stock Options (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of stock option

		Number of options				Weighted average exercise price				Weighted average contractual term (years)				Aggregate intrinsic value
Outstanding at January 1, 2021			2,595,700			$	1.92							$	2,491,026
Granted			626,238				2.52								74,482
Exercise			(82,333	)			0.83								151,544
Forfeited			(58,701	)			2.65								58,285
Outstanding at December 31, 2021			3,080,904			$	2.06				6.7			$	1,923,642
Vested and exercisable at December 31, 2021			2,307,571			$	2.04				6.9			$	1,674,967
Outstanding at January 1, 2020			2,004,318			$	1.72							$	2,542,361
Granted			860,465				2.38
Exercised			(7,166	)			0.79								6,523
Forfeited			(261,917	)			1.90								134,070
Outstanding at December 31, 2020			2,595,700			$	1.92				7.60			$	2,491,026
Vested and exercisable at December 31, 2020			1,730,198			$	1.90				7.82			$	1.967,071

Schedule of measured fair value of each option award grant using the black-scholes-merton (BSM) pricing model

		2021				2020
Exercise price		$	2.52			$	2.38
Expected life			5 years				5 years
Expected volatility			91.2	%			76	%
Dividend yield			0	%			0	%
Risk-free interest rate			0.57%				1.07%

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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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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