| 7. | Income Taxes |
| | | Year ended December 31, | | |||||||
| | | 2017 | | 2016 | | 2015 | | |||
| Current income taxes | | $ | 442,515 | | $ | - | | $ | - | |
| Deferred income taxes | | | 11,623 | | | (1,563) | | | (4,476) | |
| Total expense (benefit) | | $ | 454,138 | | $ | (1,563) | | $ | (4,476) | |
| Change in valuation allowance | | | (6,039) | | | 1,563 | | | 4,476 | |
| Income tax expense (benefit) | | $ | 448,099 | | $ | - | | $ | - | |
| | | Year ended December 31, | | ||||
| | | 2017 | | 2016 | | ||
| Deferred tax asset: | | | | | | | |
| Net operating loss carryforward | | $ | - | | $ | 6,039 | |
| Total deferred tax asset | | $ | - | | $ | 6,039 | |
| Valuation allowance | | | - | | | (6,039) | |
| Deferred tax asset, net of current allowance | | $ | - | | $ | - | |
| | | Year ended December 31, | | |||||||
| | | 2017 | | 2016 | | 2015 | | |||
| Statutory rate | | | 34.4 | % | | -31.0 | % | | -34.0 | % |
| Other business tax credit | | | 0.0 | % | | 0.0 | % | | 0.0 | % |
| State income tax, net of federal tax benefit | | | 0.0 | % | | -3.6 | % | | -3.6 | % |
| Change in valuation allowance on deferred tax asset | | | -0.4 | % | | 34.6 | % | | 37.6 | % |
| Total | | | 34.0 | % | | 0.0 | % | | 0.0 | % |