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Stock Options (Tables)

9 Months Ended

Sep. 30, 2019

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, 2019			620,900			$	3.75
Granted			1,334,851				0.85
Forfeited			(174,933	)			1.36								100,087
Expired			(25,000	)			6.20
Outstanding at September 30, 2019			1,755,818			$	1.75				8.83			$	952,494
Vested and exercisable at September 30, 2019			803,126			$	2.64				8.18			$	334,420

Schedule of option input into a Black Scholes option pricing model

Exercise price		$	0.85
Expected life			6.8 years
Expected volatility			63	%
Dividend yield			0	%
Risk-free interest rate			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.

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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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