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Income Taxes (Details 1) - USD ($) | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Deferred tax assets: |  |
Net operating losses | $ 4,327,027 | $ 1,847,247
Share-based compensation | 868,222 | 2,521,303
Amortization of intangible assets | 432,335 |
Tax credits | 62,969 |
Other | 12,755 |
Subtotal | 5,703,308 | 4,368,550
Less valuation allowance: | (5,649,582) | (4,307,813)
Total deferred tax assets | 53,726 | 60,737
Deferred tax liabilities: |  |
Intangibles |  | (1,452,340)
Property and equipment | (53,726) |
Other |  | (60,736)
Total deferred tax liabilities | (53,726) | (1,513,076)
Net deferred tax liabilities |  | $ (1,452,339)

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