Additional paid in capital - Summary of Stock Option Activity (Details) - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
|
| Summary of Stock Option Activity [Abstract] | ||
| Outstanding, beginning of period | 5,236,401,500 | 5,014,851,500 |
| Average Exercise Price, beginning | $ 0.003 | $ 0.002 |
| Granted | 254,050,000 | |
| Granted, per share | $ 0.028 | |
| Exercised | (26,000,000) | |
| Exercised per share | $ (0.003) | |
| Cancelled | (3,500,000) | (6,500,000) |
| Cancelled per share | $ (0.032) | $ (0.015) |
| Outstanding, end of period | 5,232,901,500 | 5,236,401,500 |
| Average Exercise price, ending | $ 0.003 | $ 0.003 |
| Exercisable, end of period | 5,151,901,500 | 5,154,901,500 |
| Exercisable, end of period | $ 0.003 | $ 0.003 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. No definition available.
|
| X | ||||||||||
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Net number of share options (or share units) granted during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|