Stock-based Compensation Plans (Tables)
|
9 Months Ended |
Nov. 30, 2018 |
|---|
| Stockholders Equity |
|
| Equity Incentive Plan |
| For
the nine months ended November 30, 2018 |
|
Number
of units available for issuance |
|
| Balance,
February 28, 2018 |
|
|
1,735,898 |
|
| Automatic
share reserve increase |
|
|
1,500,000 |
|
| Units
granted |
|
|
(116,027 |
) |
| Units
forfeited |
|
|
101,625 |
|
| Units
expired |
|
|
50,000 |
|
| Balance,
November 30, 2018 |
|
|
3,271,496 |
|
|
| Warrants activities |
| |
|
2018 |
|
|
2017 |
|
| |
|
Number
of
warrants
|
|
|
Weighted
average exercise price |
|
|
Number
of
warrants |
|
|
Weighted
average exercise price |
|
| Outstanding,
beginning of period |
|
|
2,515,248 |
|
|
$ |
8.21 |
|
|
|
1,647,670 |
|
|
$ |
2.91 |
|
| Granted |
|
|
13,209 |
|
|
|
11.52 |
|
|
|
2,310,000 |
|
|
|
9.23 |
|
| Exercised |
|
|
(20,000 |
) |
|
|
0.80 |
|
|
|
(213,770 |
) |
|
|
5.52 |
|
| Forfeited |
|
|
(100,000 |
) |
|
|
5.25 |
|
|
|
(515,418 |
) |
|
|
4.95 |
|
| Expired |
|
|
(62,500 |
) |
|
|
4.80 |
|
|
|
(543,900 |
) |
|
|
5.86 |
|
| Outstanding,
end of period |
|
|
2,345,957 |
|
|
$ |
8.44 |
|
|
|
2,684,582 |
|
|
$ |
7.16 |
|
| Exercisable,
end of period |
|
|
1,206,081 |
|
|
$ |
8.15 |
|
|
|
966,250 |
|
|
$ |
4.90 |
|
|
| Outstanding and exercisable warrants |
| |
|
|
2018 |
|
|
2017 |
|
| Exercise
price |
|
|
Number
of warrants
outstanding |
|
|
Weighted
average
remaining
life |
|
|
Number
of
warrants
outstanding |
|
|
Weighted
average
remaining
life |
|
| $ |
0.80 |
|
|
|
582,081 |
|
|
|
7.00 |
|
|
|
912,082 |
|
|
|
6.21 |
|
| $ |
3.00 |
|
|
|
- |
|
|
|
- |
|
|
|
12,500 |
|
|
|
0.50 |
|
| $ |
5.25 |
|
|
|
380,000 |
|
|
|
8.74 |
|
|
|
530,000 |
|
|
|
9.74 |
|
| $ |
11.52 |
|
|
|
13,209 |
|
|
|
9.61 |
|
|
|
- |
|
|
|
- |
|
| $ |
12.00 |
|
|
|
840,667 |
|
|
|
7.34 |
|
|
|
700,000 |
|
|
|
9.79 |
|
| $ |
13.49 |
|
|
|
250,000 |
|
|
|
8.88 |
|
|
|
250,000 |
|
|
|
9.88 |
|
| $ |
13.89 |
|
|
|
280,000 |
|
|
|
0.07 |
|
|
|
280,000 |
|
|
|
9.94 |
|
| Outstanding,
end of period |
|
|
|
2,345,957 |
|
|
|
6.79 |
|
|
|
2,684,582 |
|
|
|
7.51 |
|
| Exercisable,
end of period |
|
|
|
1,206,081 |
|
|
|
6.74 |
|
|
|
966,250 |
|
|
|
7.54 |
|
|
| Estimated fair value of warrants on grant date |
| |
|
2018 |
|
|
2017 |
|
| Exercise price |
|
$ |
11.52 |
|
|
$ |
5.25 to 13.89 |
|
| Risk-free interest rate |
|
|
2.82% |
|
|
1.46 to 2.15% |
|
| Expected dividend yield |
|
|
0% |
|
|
|
0% |
|
| Expected volatility |
|
|
78% |
|
|
80% to 94% |
|
| Expected life |
|
6.5 years |
|
|
3 to 6 years |
|
|
| Summarizes of restricted stock units |
| |
|
2018 |
|
|
2017 |
|
| |
|
Number of RSUs |
|
|
Number of RSUs |
|
| Outstanding, beginning of period |
|
|
34,102 |
|
|
|
- |
|
| Granted |
|
|
102,818 |
|
|
|
34,102 |
|
| Vested |
|
|
(35,797 |
) |
|
|
- |
|
| Forfeited |
|
|
(1,625 |
) |
|
|
- |
|
| Outstanding, end of period |
|
|
99,498 |
|
|
|
34,102 |
|
| Weighted average remaining life (in years) |
|
|
1.96 |
|
|
|
0.50 |
|
|