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Share Capital (Tables)

6 Months Ended

12 Months Ended

Jun. 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 six months ended June 30, 2018(*)
		Number of stock options				Weighted average exercise price				Aggregate intrinsic value
Outstanding at beginning of period			414,965			$	11.7			$	1,859
Granted			-				-				-
Exercised			(2,487	)			-				-
Cancelled			-				-				-
Outstanding at end of period			412,478			$	11.7			$	1,259
Vested and expected-to-vest at end of period			205,024			$	6.9			$	1,248

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

		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			-				-				-
Outstanding at end of period			414,965			$	11.7			$	1,859
Vested and expected-to-vest at end of period			142,875			$	1.95			$	1,375

(*) Share 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 June 30, 2018 and December 31, 2017, separated by exercise prices, are as follows(**):

Exercise price $				Stock options outstanding as of June 30, 2018				Stock options outstanding as of December 31, 2017				Weighted average remaining contractual life – years as of June 30, 2018				Weighted average remaining contractual life – years as of December 31, 2017				Stock options exercisable as of June 30, 2018				Stock options exercisable as of December 31, 2017
	4.2				77,846				77,846				7.50				8.0				77,846				77,846
	15.75				133,546				133,546				9.25				9.75				32,133				-
	19.35				72,508				72,508				9.25				9.75				18,127				-
	15.3				66,036				66,036				9.50				10				14,376				-
	(*)				62,542				65,029				8.25				8.75				62,542				65,029
					412,478				414,965				8.80				9.3				205,024				142,875

	(*)	Less than 0.01
	(**)	Share 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:

		Six months ended June 30, 2018				Year ended December 31, 2017
Expected volatility			109	%			122.5	%
Risk-free interest			2.39	%			1.64	%
Dividend yield			0	%			0	%
Expected life of up to (years)			2.75				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

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

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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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