Stockholders' Equity (Details 2) - $ / shares
|
3 Months Ended |
|
May 31, 2017 |
Feb. 28, 2017 |
| Warrants outstanding |
1,860,455
|
1,647,670
|
| Warrants outstanding, Weighted Average Exercise Price |
$ 3.11
|
$ 2.91
|
| Warrants exercisable |
836,705
|
|
| Exercise Prices 0.80 [Member] |
|
|
| Warrants outstanding |
912,452
|
|
| Warrants outstanding, Average Remaining Contractual Life (in years) |
186 days
|
|
| Warrants outstanding, Weighted Average Exercise Price |
$ 0.80
|
|
| Warrants exercisable |
507,452
|
|
| Warrants exercisable, Average Remaining Contractual Life (in years) |
186 days
|
|
| Warrants exercisable, Weighted Average Exercise Price |
$ 0.80
|
|
| Exercise Prices 6.00 [Member] |
|
|
| Warrants outstanding |
323,003
|
|
| Warrants outstanding, Average Remaining Contractual Life (in years) |
29 days
|
|
| Warrants outstanding, Weighted Average Exercise Price |
$ 6.00
|
|
| Warrants exercisable |
323,003
|
|
| Warrants exercisable, Average Remaining Contractual Life (in years) |
29 days
|
|
| Warrants exercisable, Weighted Average Exercise Price |
$ 6.00
|
|
| Exercise Prices 3.00 [Member] |
|
|
| Warrants outstanding |
75,000
|
|
| Warrants outstanding, Average Remaining Contractual Life (in years) |
372 days
|
|
| Warrants outstanding, Weighted Average Exercise Price |
$ 3.00
|
|
| Warrants exercisable |
6,250
|
|
| Warrants exercisable, Average Remaining Contractual Life (in years) |
372 days
|
|
| Warrants exercisable, Weighted Average Exercise Price |
$ 3.00
|
|
| Exercise Prices 5.25 [Member] |
|
|
| Warrants outstanding |
550,000
|
|
| Warrants outstanding, Average Remaining Contractual Life (in years) |
3642 days
|
|
| Warrants outstanding, Weighted Average Exercise Price |
$ 5.25
|
|
| Warrants exercisable |
|
|
| Warrants exercisable, Weighted Average Exercise Price |
|
|