Intangible Assets - Additional Information (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Aug. 31, 2015 |
Aug. 31, 2014 |
May. 31, 2014 |
Aug. 31, 2015 |
Aug. 31, 2014 |
|
| Finite-Lived Intangible Assets, Net [Abstract] | |||||
| Abandonment of patents | $ 25,649 | $ 25,649 | |||
| Amortization expense | $ 8,933 | $ 466 | $ 9,864 | $ 27,810 | |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|