v3.20.2

Related Party Transactions (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Related party transaction included within interest expense: |  |  |  |  |  |  |
Interest expenses on promissory notes issued to relatives of the Chairman & Chief Executive Officer of the Company | $ 79,171 | $ 74,780 | $ 157,963 | $ 149,562 | $ 321,626 | $ 299,126 | $ 299,125
Interest expense on lines of credit payable to the Chairman & Chief Executive Officer of the Company and his spouse | 363,001 | 338,895 | 719,455 | 672,145 | 1,365,967 | 1,287,822 | 1,202,250
Interest expense related to the modification of stock options held by the Chairman and Chief Executive Officer of the Company and his spouse related to financing provided |  | 1,085,371 |  | 1,085,371 | 1,085,371 |  |
Stock based compensation related to stock options granted to the Chairman and Chief Executive Officer for increasing the borrowing limit on the line of credit available to the Company |  |  |  |  | 2,158,441 |  |
Related party transactions including within selling, general and administration expenses: |  |  |  |  |  |  |
Consulting fees to the Chairman & Chief Executive Officer of the Company accrued on the line of credit available to the Company | 62,400 | 47,400 | 124,800 | 94,800 | 189,600 | 189,600 | 189,600
Stock options granted to four members of the Board of Directors of the Company |  | 505,832 |  | 770,421 | 770,421 |  | 70,489
Selling, general and administration expense related to the modification of stock options to three members of the Board of Directors |  | 799,625 |  | 799,625 | 29,204 |  |
Related party transactions included within product development expenses |  |  |  |  |  |  |
Consulting fees to a relative of the Chairman and Chief Executive Officer of the Company | $ 30,000 | $ 60,000 | $ 60,000 | $ 60,000 | $ 120,000 |  |

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