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Stock Options (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of information about stock options

		Number of options				Weighted average exercise price				Weighted average contractual term (years)				Aggregate intrinsic value
Outstanding at January 1, 2020			2,004,318			$	1.72							$	2,542,361
Granted			634,756				2.58
Forfeited			(64,330	)			0.92								18,520
Exercise			(3,333	)			0.79								3,166
Outstanding at June 30, 2020			2,571,411			$	1.95				7.94			$	1,165,626
Vested and exercisable at June 30, 2020			1,623,746			$	1.97				8.23			$	971,228
Outstanding at January 1, 2019			620,900			$	3.75
Granted			1,334,851				0.85
Forfeited			(21,600	)			1.35								855
Expired			(25,000	)			6.2
Outstanding at June 30, 2019			1,909.151			$	1.72				9.12			$	379,582
Vested and exercisable at June 30, 2019			742,434			$	2.76				8.34			$	108,686

Schedule of option input into a Black Scholes option pricing model

		Six Months ended
		June 30,
		2020				2019
Exercise price		$	2.58			$	0.85
Expected life			5 years				6.8 years
Expected volatility			71	%			63	%
Dividend yield			0	%			0	%
Risk-free interest rate			1.23	%			2.40	%

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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
-Subparagraph (d)
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (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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