Stockholders' Equity (Details) - USD ($)
|
3 Months Ended |
6 Months Ended |
Aug. 31, 2020 |
Aug. 31, 2019 |
Aug. 31, 2020 |
Aug. 31, 2019 |
| Beginning balance, amount |
$ 35,452,406
|
$ 6,818,685
|
$ 38,463,708
|
$ 2,626,392
|
| Issuance of common shares for cash, net of share issuance expenses (Note 12), amount |
|
34,756,847
|
|
39,023,632
|
| Issuance of shares upon vesting of restricted stock units (Note 13), amount |
0
|
0
|
0
|
0
|
| Issuance of shares upon the cashless exercise of stock options (Note 13), amount |
|
0
|
|
0
|
| Issuance of shares upon exercise of warrants (Note 15), amount |
|
143,749
|
|
143,749
|
| Issuance of shares for legal settlement, amount |
|
|
|
0
|
| Issuance of shares upon conversion of convertible notes, amount |
|
|
|
2,689,510
|
| Ending balance, amount |
$ 31,593,424
|
$ 39,283,023
|
$ 31,593,424
|
$ 39,283,023
|
| Common Stock |
|
|
|
|
| Beginning balance, shares |
39,916,905
|
34,875,032
|
39,910,774
|
33,805,706
|
| Beginning balance, amount |
$ 3,993
|
$ 3,488
|
$ 3,992
|
$ 3,381
|
| Issuance of common shares for cash, net of share issuance expenses (Note 12), shares |
|
4,093,567
|
|
4,693,567
|
| Issuance of common shares for cash, net of share issuance expenses (Note 12), amount |
|
$ 409
|
|
$ 469
|
| Issuance of shares upon vesting of restricted stock units (Note 13), shares |
18,305
|
43,932
|
24,436
|
43,932
|
| Issuance of shares upon vesting of restricted stock units (Note 13), amount |
$ 1
|
$ 4
|
$ 2
|
$ 4
|
| Issuance of shares upon the cashless exercise of stock options (Note 13), shares |
|
4,565
|
|
4,565
|
| Issuance of shares upon the cashless exercise of stock options (Note 13), amount |
|
$ 1
|
|
$ 1
|
| Issuance of shares upon exercise of warrants (Note 15), shares |
|
15,432
|
|
15,432
|
| Issuance of shares upon exercise of warrants (Note 15), amount |
|
$ 1
|
|
$ 1
|
| Issuance of shares for legal settlement, shares |
|
|
|
150,000
|
| Issuance of shares for legal settlement, amount |
|
|
|
$ 15
|
| Issuance of shares upon conversion of convertible notes, shares |
|
|
|
319,326
|
| Issuance of shares upon conversion of convertible notes, amount |
|
|
|
$ 32
|
| Ending balance, shares |
39,935,210
|
39,032,528
|
39,935,210
|
39,032,528
|
| Ending balance, amount |
$ 3,994
|
$ 3,903
|
$ 3,994
|
$ 3,903
|