Share Capital (Tables)
|
12 Months Ended |
Dec. 31, 2019 |
Statement Line Items [Line Items] |
|
Schedule of outstanding and exercisable options |
December 31, 2019 |
|
Options outstanding |
|
|
Options exercisable |
|
|
|
|
Number of |
|
|
Weighted |
|
|
Number of |
|
|
Weighted |
|
|
|
|
options |
|
|
average |
|
|
options |
|
|
average |
|
|
|
|
outstanding |
|
|
remaining |
|
|
exercisable |
|
|
remaining |
|
Exercise |
|
|
at end of |
|
|
contractual |
|
|
at end of |
|
|
contractual |
|
prices * |
|
|
year |
|
|
Life |
|
|
year |
|
|
life |
|
60.5 |
|
|
|
6,998 |
|
|
|
0.85 |
|
|
|
6,998 |
|
|
|
0.85 |
|
26.04 |
|
|
|
6,666 |
|
|
|
5.38 |
|
|
|
1,329 |
|
|
|
5.38 |
|
6.37 |
|
|
|
5,000 |
|
|
|
5.34 |
|
|
|
1,875 |
|
|
|
5.34 |
|
5.07 |
|
|
|
248,000 |
|
|
|
6.09 |
|
|
|
- |
|
|
|
- |
|
4.02 |
|
|
|
478,361 |
|
|
|
5.03 |
|
|
|
310,093 |
|
|
|
4.94 |
|
* In U.S. dollars per Ordinary Share.
|
Schedule of share-based compensation |
|
|
Year ended December 31 |
|
|
|
2019 |
|
|
2018 |
|
|
2017 |
|
Research and development expenses |
|
$ |
549 |
|
|
$ |
457 |
|
|
$ |
333 |
|
General, administrative and marketing expenses |
|
|
576 |
|
|
|
977 |
|
|
|
623 |
|
|
|
$ |
1,125 |
|
|
$ |
1,434 |
|
|
$ |
956 |
|
|
Option Granted to Employees [Member] |
|
Statement Line Items [Line Items] |
|
Schedule of number of shares issued granted options |
|
|
Year
ended December 31, 2019 |
|
|
Award
amount |
|
|
Exercise
price range |
|
|
Vesting period |
|
Expiration |
Employees |
|
|
230,000 |
|
|
$ |
5.07 |
|
|
4 years |
|
7 years |
Directors |
|
|
301,390 |
|
|
$ |
4.02-
$5.07 |
|
|
4 years |
|
7 years |
|
|
Year
ended December 31, 2018 |
|
|
Award
amount |
|
|
Exercise
price range* |
|
|
Vesting period |
|
Expiration |
Employees |
|
|
93,000 |
|
|
$ |
5.87 |
|
|
4 years |
|
7 years |
Directors |
|
|
63,000 |
|
|
$ |
7.74 |
|
|
4 years |
|
7 years |
|
|
Year
ended December 31, 2017 |
|
|
Award
amount |
|
|
Exercise price
range*
|
|
|
Vesting period |
|
Expiration |
Employees |
|
|
182,000 |
|
|
$ |
8.34 |
|
|
4 years |
|
7 years |
Directors |
|
|
9,720 |
|
|
$ |
0-
$4.75 |
|
|
0-4 years |
|
7 years |
|
* |
Exercise price range before reduction of exercise price as of October 27, 2019 |
|
Schedule of fair value options granted |
|
|
2019 |
|
|
2018 |
|
|
2017 |
|
Value
of one ordinary share |
|
$ |
5.7-$5.93
|
|
|
$ |
5.34-$7.83
|
|
|
$ |
4.89-$7.44
|
|
Dividend yield |
|
|
0 |
% |
|
|
0 |
% |
|
|
0 |
% |
Expected volatility |
|
|
61.31%-62.56 |
% |
|
|
62.63 |
% |
|
|
57.78
%-62.55 |
% |
Risk-free interest rate |
|
|
2 |
% |
|
|
2 |
% |
|
|
2 |
% |
Expected term |
|
|
4-5.5
years |
|
|
|
4
years |
|
|
|
4
years |
|
|
Schedule of changes in number of options granted |
|
|
Year ended December 31, |
|
|
|
2019 |
|
|
2018 |
|
|
2017 |
|
|
|
Number of options |
|
|
Weighted average exercise price |
|
|
Number of options |
|
|
Weighted average exercise price* |
|
|
Number of options |
|
|
Weighted average exercise price* |
|
Options outstanding at the beginning of the year |
|
|
512,615 |
|
|
$ |
15.09 |
|
|
|
385,115 |
|
|
$ |
17.68 |
|
|
|
205,592 |
|
|
$ |
27.10 |
|
Granted |
|
|
531,390 |
|
|
|
5.09 |
|
|
|
156,000 |
|
|
|
7.55 |
|
|
|
191,720 |
|
|
|
8.07 |
|
Exercised |
|
|
(6,076 |
) |
|
|
1.30 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Expired |
|
|
(11,891 |
) |
|
|
23.83 |
|
|
|
(2,500 |
) |
|
|
24.01 |
|
|
|
(7,102 |
) |
|
|
24.89 |
|
Forfeited |
|
|
(304,677 |
) |
|
|
5.84 |
|
|
|
(26,000 |
) |
|
|
7.42 |
|
|
|
(5,095 |
) |
|
|
25.96 |
|
Options outstanding at the end of the year |
|
|
721,361 |
|
|
$ |
4.38 |
* |
|
|
512,615 |
|
|
$ |
15.09 |
|
|
|
385,115 |
|
|
$ |
17.68 |
|
Options exercisable at the end of the year |
|
|
310,093 |
|
|
$ |
4.02 |
* |
|
|
211,906 |
|
|
$ |
20.28 |
|
|
|
131,265 |
|
|
$ |
22.29 |
|
|
* |
After
repricing- see Note 8(B)(2)(a). |
|
Option Granted to Non-Employees [Member] |
|
Statement Line Items [Line Items] |
|
Schedule of fair value options granted |
|
|
2019 |
|
|
2018 |
|
|
2017 |
|
Value of one ordinary share |
|
$ |
5.93 |
|
|
$ |
5.36 |
|
|
|
- |
|
Dividend yield |
|
|
0 |
% |
|
|
0 |
% |
|
|
- |
|
Expected volatility |
|
|
62 |
% |
|
|
58 |
% |
|
|
- |
|
Risk-free interest rate |
|
|
2 |
% |
|
|
2 |
% |
|
|
- |
|
Expected term |
|
|
4 years |
|
|
|
4 years |
|
|
|
- |
|
|
Schedule of changes in number of options granted |
|
|
Year ended December 31 |
|
|
|
2019 |
|
|
2018 |
|
|
2017 |
|
|
|
Number of
options |
|
|
Weighted average exercise
price |
|
|
Number of
options |
|
|
Weighted average exercise
price* |
|
|
Number of
options |
|
|
Weighted average exercise
price* |
|
Options outstanding at the beginning of the year |
|
|
18,664 |
|
|
$ |
33.44 |
|
|
|
13,664 |
|
|
$ |
43.52 |
|
|
|
13,664 |
|
|
$ |
43.52 |
|
Granted |
|
|
5,000 |
|
|
|
5.07 |
|
|
|
5,000 |
|
|
|
5.87 |
|
|
|
- |
|
|
|
- |
|
Options outstanding at the end of the year |
|
|
23,664 |
|
|
$ |
27.44 |
|
|
|
18,664 |
|
|
$ |
33.44 |
|
|
|
13,664 |
|
|
$ |
43.52 |
|
Options exercisable at the end of the year |
|
|
10,202 |
|
|
$ |
46.03 |
|
|
|
8,165 |
|
|
$ |
51.21 |
|
|
|
7,831 |
|
|
$ |
52.57 |
|
|