Share Capital (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2018

Dec. 31, 2017

Equity [Abstract]

Summary of Stock Option Activity

A summary of the Company’s option activity related to options to employees and directors, and related information is as follows:

	For the nine months ended September 30, 2018
	Number of stock options		Weighted average exercise price		Aggregate intrinsic value
Outstanding at beginning of period		414,965	$	11.70	$	1,859
Granted		10,000		9		-
Exercised		(2,487)		-		-
Cancelled		-		-		-
Outstanding at end of period		422,478	$	11.70	$	729
Vested and expected-to-vest at end of period		228,758	$	7.80	$	729

	For the year ended December 31, 2017(*)
	Number of stock options		Weighted average exercise price		Aggregate intrinsic value
Outstanding at beginning of period		174,328	$	1.95	$	3,739
Granted		272,090		16.50		-
Exercised		(31,453)		-		-
Cancelled		-		-		-
Outstanding at end of period		414,965	$	11.70	$	1,859
Vested and expected-to-vest at end of period		142,875	$	1.95	$	1,375

(*) December 31, 2017 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.

A summary of the Company’s option activity related to options to employees and directors, and related information is as follows:

	For the year ended December 31, 2017(**)
	Number of stock options			Weighted average exercise price		Aggregate intrinsic value
Outstanding at beginning of period		174,328		$	1.95	$	3,739
Granted		272,090			16.5		-
Exercised		(31,453	)		-		-
Cancelled		-			-		-
		414,965		$	11.7	$	1,859
Outstanding at end of period		142,875		$	1.95	$	1,375
Vested and expected-to-vest at end of period		174,328		$	1.95	$	3,739

	For the year ended December 31, 2016(**)
	Number of stock options		Weighted average exercise price		Aggregate intrinsic value
Outstanding at beginning of period		77,846	$	4.2		-
Granted		96,482		(*)		-
Exercised		-		-		-
Cancelled		-		-		-
Outstanding at end of period		174,328	$	1.95	$	15,624
Vested and expected-to-vest at end of period		174,328	$	1.95	$	15,624

(*) Less than 1

(**) December 31 2017 and 2016 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.

Schedule of Stock Options Outstanding

The stock options outstanding as of September 30, 2018 and December 31, 2017, separated by exercise prices, are as follows:

Exercise price $		Stock options outstanding as of September 30, 2018		Stock options outstanding as of December 31, 2017(**)		Weighted average remaining contractual life – years as of September 30, 2018		Weighted average remaining contractual life – years as of December 31, 2017(**)		Stock options exercisable as of September 30, 2018		Stock options exercisable as of December 31, 2017(**)
	4.20		77,846		77,846		7.25		8.00		77,846		77,846
	15.75		133,546		133,546		9.00		9.75		46,117		-
	9.00		10,000		-		10.00		-		-		-
	19.35		72,508		72,508		9.00		9.75		23,565		-
	15.30		66,036		66,036		9.25		10.00		18,688		-
	(*)		62,542		65,029		8.00		8.75		62,542		65,029
			422,478		414,965		8.55		9.3		228,758		142,875

(*)	Less than $0.01.
(**)	December 31, 2017 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.

The stock options outstanding as of December 31, 2017 and December 31, 2016, separated by exercise prices, are as follows:

Exercise price			Stock options outstanding as of December 31, (**)				Weighted average remaining contractual life – years as of December 31, (**)				Stock options exercisable as of December 31, (**)
$			2017		2016		2017		2016		2017		2016
	4.2			77,846		77,846		8.0		8.0		77,846		77,846
	15.75			133,546		-		9.75		-		-		-
	19.35			72,508		-		9.75		-		-		-
	15.3			66,036		-		10		-		-		-
	(*	)		65,029		96,482		8.75		9.5		65,029		96,482
				414,965		174,328		-		-		142,875		174,328

(*) Less than 1

(**) December 31 2017 and 2016 options data represents the number of shares adjusted to retroactively reflect the 1:15 Reverse Split effected on September 4, 2018.

Schedule of Stock Options Valuation Assumptions

The fair value of the stock options is estimated at the date of grant using Black-Scholes options pricing model with the following weighted-average assumptions:

	Nine months ended September 30, 2018		Year ended December 31, 2017
Expected volatility		99.4%		122.5%
Risk-free interest		2.39%		1.64%
Dividend yield		0%		0%
Expected life of up to (years)		5.24		6.25

The fair value of the stock options is estimated at the date of grant using Black-Scholes options pricing model with the following weighted-average assumptions:

	Years ended December 31,
	2017			2016
Expected volatility		122.5	%		77.3	%
Risk-free interest		1.64	%		0.6	%
Dividend yield		0	%		0	%
Expected life of up to (years)		6.25			5.0