Warrants (Tables)

3 Months Ended

Mar. 31, 2019

Class Of Warrant Or Right [Line Items]

Schedule of Fair Value Reconciliation of Level 3 Liabilities Measured

The following table presents the fair value reconciliation of Level 3 liabilities measured at fair value during the three months ended March 31, 2019:

	Common stock warrant liability
Balance – January 1, 2019	$	3,661
Issuance of warrants	$	196,236
Change in fair value of derivative liabilities		(41,970	)
Balance – March 31, 2019	$	157,927

Warrant

Class Of Warrant Or Right [Line Items]

Schedule of Fair Value Reconciliation of Level 3 Liabilities Measured

Assumptions utilized in the valuation of the June 2017 Warrant, for the three months ended March 31, 2019, were as follows:

Risk-free interest rate	2.23%
Expected life	3.19 years
Expected volatility of underlying stock	59.47%
Expected dividend yield		—

Assumptions utilized in the valuation of the February 2019 Warrant for the three months ended March 31, 2019, were as follows:

Risk-free interest rate	2.19%
Expected life	3.86 years
Expected volatility of underlying stock	60.00%
Expected dividend yield		—