| Deferred tax asset |
| | December 31, | | | | 2019 | | | 2018 | | | Net operating loss carryforwards | | $ | 7,153,247 | | | $ | 6,836,322 | | | Equity-based instruments | | | 6,467,488 | | | | 6,465,537 | | | Accrued liabilities | | | 332,655 | | | | 112,795 | | | Deferred Revenue | | | 96,311 | | | | 96,311 | | | Pass-through losses | | | 100,315 | | | | 92,634 | | | Valuation allowance | | | (14,150,016 | ) | | | (13,603,599 | ) | | Deferred tax asset | | $ | -- | | | $ | -- | | |
| Reconciliation of income taxes |
| | Year ended December 31, | | | | 2019 | | | 2018 | | | Income tax benefit at statutory rate | | $ | (681,012 | ) | | $ | (970,386 | ) | | State income tax, net of Federal benefit | | | (140,905 | ) | | | (200,777 | ) | | Convertible debt | | | 274,844 | | | | 486,168 | | | Other adjustments | | | 405 | | | | (11,685 | ) | | Meals and entertainment | | | 246 | | | | 202 | | | Increase in valuation allowance | | | 546,422 | | | | 696,479 | | | Income tax benefit | | $ | -- | | | $ | -- | | |