Stockholders' Equity (Details 1)
|
6 Months Ended |
|
Aug. 31, 2017
$ / shares
shares
|
|---|
| Number of Warrant Shares |
|
| Balance, beginning | shares |
1,647,670
|
| Granted | shares |
1,080,000
|
| Forfeited | shares |
(65,418)
|
| Exercised | shares |
(213,770)
|
| Expired | shares |
(443,900)
|
| Balance, ending | shares |
2,004,582
|
| Earned and exercisable, Ending | shares |
616,457
|
| Unvested, August 31, 2017 | shares |
1,388,125
|
| Exercise Price Range Per Share |
|
| Granted |
$ 5.25
|
| Expired |
6.00
|
| Weighted Average Exercise Price |
|
| Balance, beginning |
2.91
|
| Granted |
5.25
|
| Forfeited |
2.90
|
| Exercised |
5.52
|
| Expired |
6.00
|
| Balance, ending |
3.21
|
| Earned and exercisable, May 31, 2017 |
1.19
|
| Unvested, May 31, 2017 |
4.11
|
| Minimum [Member] |
|
| Exercise Price Range Per Share |
|
| Balance, beginning |
0.80
|
| Forfeited |
0.80
|
| Exercised |
0.80
|
| Balance, ending |
0.80
|
| Earned and exercisable, May 31, 2017 |
0.80
|
| Unvested, May 31, 2017 |
0.80
|
| Maximum [Member] |
|
| Exercise Price Range Per Share |
|
| Balance, beginning |
6.00
|
| Forfeited |
3.00
|
| Exercised |
6.00
|
| Balance, ending |
5.25
|
| Earned and exercisable, May 31, 2017 |
5.25
|
| Unvested, May 31, 2017 |
$ 5.25
|