Advertising and promotion (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
|
| Advertising and promotion | ||||
| Advertising and promotion costs | $ 6,495 | $ 41,720 | $ 51,237 | $ 47,338 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Advertising and promotion costs No definition available.
|