| Schedule of non-cash expenses |
| |
|
For the Three Months Ended June 30, |
|
|
For the Six Months Ended June 30, |
|
| |
|
2019 |
|
|
2018 |
|
|
2019 |
|
|
2018 |
|
| Operating expenses: |
|
|
|
|
|
|
|
|
|
|
|
|
| Stock based compensation |
|
$ |
664,164 |
|
|
$ |
808,470 |
|
|
$ |
1,427,823 |
|
|
$ |
1,787,178 |
|
| Depreciation & amortization |
|
|
36,028 |
|
|
|
17,073 |
|
|
|
70,651 |
|
|
|
34,312 |
|
| Subtotal |
|
$ |
700,192 |
|
|
$ |
825,543 |
|
|
$ |
1,498,474 |
|
|
$ |
1,821,490 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other expense: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Amortization of debt discount |
|
|
105,085 |
|
|
|
98,977 |
|
|
|
210,170 |
|
|
|
100,953 |
|
| Total non-cash expenses |
|
$ |
805,277 |
|
|
$ |
924,520 |
|
|
$ |
1,708,644 |
|
|
$ |
1,922,443 |
|
|