4. Stock Option Plan (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
Stock-based compensation expense for non-employees | $ 31,714 | $ 40,314 | $ 105,571 | $ 238,404 |
Unamortized unvested balance of stock base compensation | 100,000 | $ 100,000 | ||
Unamortized unvested balance of stock base compensation, period | 4 years 73 days | |||
General and Administrative Expenses | ||||
Employee and non-employee director stock-based compensation expense | 29,383 | 3,612 | $ 81,896 | 3,612 |
Stock-based compensation expense for non-employees | 8,819 | 49,133 | ||
Research and Development Expenses | ||||
Employee and non-employee director stock-based compensation expense | 32,147 | 0 | 108,873 | 0 |
Stock-based compensation expense for non-employees | $ 31,714 | $ 31,495 | $ 105,571 | $ 189,271 |