| Year ended | ||||||
| November 30, | ||||||
| 2013 | 2012 | |||||
| Salaries & related expenses | $ | 395,710 | $ | 166,108 | ||
| Stock-based compensation | 475,877 | 1,329,651 | ||||
| Professional fees and consulting services | 378,826 | 102,863 | ||||
| Patents registrations | 101,801 | 619,288 | ||||
| Other | 100,242 | 90,901 | ||||
| Total | $ | 1,452,456 | $ | 2,308,811 | ||