| Fair value of financial liabilities and warrants |
| | |
Fair Value Measurements at February 28, 2019 |
| |
Carrying Amount | |
Fair Value | |
Level in the hierarchy |
| | |
| |
| |
|
| Instruments measured at fair value: | |
| | | |
| | | |
|
| Warrants (First Issuance) | |
$ | 219,531 | | |
$ | 219,531 | | |
Level 3 |
| | |
| | | |
| | | |
|
| Instruments measured at amortized cost: | |
| | | |
| | | |
|
| Long-term debt | |
| 1,005,518 | | |
| 1,005,518 | | |
Level 2 |
| Convertible notes (First Issuance) | |
| 2,495,636 | | |
| 2,650,00 | | |
Level 2 |
| Convertible notes (Second Issuance) | |
$ | 3,126,886 | | |
$ | 3,150,000 | | |
Level 2 |
|