Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Measurements

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table summarizes the financial instruments measured at fair value on a recurring basis in the unaudited interim condensed consolidated balance sheets (in thousands) at December 31, 2019:

			Quoted Prices		Significant		Significant
			in Active		Other		Other
			Markets for		Observable		Unobservable
			IdenticalItems		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Common stock warrant liability	$	(2,126)	$	—	$	—	$	(2,126)

Assumptions used to calculate common stock warrants

	Three months ended
	March 31, 2019
Risk-free interest rate	2.51%
Volatility	74.93%
Expected average term	0.53