Advertising and promotion (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
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| Advertising and promotion details | ||||
| Advertising and promotion costs | $ 5,267 | $ 17,593 | $ 7,808 | $ 44,739 |
| X | ||||||||||
- Definition Goodwill was recorded on the acquisition of CAST No definition available.
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| X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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