Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Net operating loss carry forwards	$ 1,843,000	$ 537,000
Capitalized research and development costs	12,177,000	2,532,000
Accrued liabilities	25,000	15,000
Tax credit carryforwards	3,286,000	1,683,000
Stock-based compensation	116,000	38,000
Total deferred tax assets	17,447,000	4,805,000
Valuation allowance	(17,444,000)	$ (4,805,000)
Net deferred tax assets	3,000
Deferred tax liabilities	$ (3,000)