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Income Taxes - Schedule of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Net operating losses	$ 3,968	$ 1,610
Stock-based expenses	233	102
Accruals and other	154	64
Total deferred tax assets	4,355	1,776
Valuation allowance	(4,355)	(1,776)
Net deferred tax assets

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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