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Income Taxes (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 22, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Deferred tax liability |  |  |  |  |  | $ 1,452,339 |
Valuation allowance of deferred tax assets |  |  |  |  |  | 5,649,582 | 4,307,813
Operating loss carryforward, net |  |  |  |  |  | $ 19,100,000 |
Operating loss carry forwards expiring date |  |  |  |  |  | 2028 through 2037 |
Deferred tax assets and liabilities |  |  |  |  |  | $ 3,116,794 |
US statutory corporate income tax rate |  |  |  |  |  | 21.00% |
Income tax provision |  | $ 15,500 |  | $ 15,500 |  | $ 228,972 |
Effective tax rate |  | 0.80% | 0.00% | 0.56% | 0.00% | (4.00%) | 0.00%
Statutory rate |  |  |  | 21.00% | 34.00% | 34.00% | 34.00%
Minimum [Member] |  |  |  |  |  |  |
US statutory corporate income tax rate | 21.00% |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |
US statutory corporate income tax rate | 34.00% |  |  |  |  |  |

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