Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-Based Compensation Recognized

Total stock-based compensation recognized for the three months ended March 31, 2016 and 2015 was as follows (in thousands):

	Three Months Ended March 31,
	2016		2015
Research and development	$	54	$	14
General and administrative		86		24
Total stock-based compensation expense	$	140	$	38

Schedule of Fair Value of Stock Options Issued Estimated Date of Grant

The fair value of the stock options issued was estimated at the date of grant using a Black-Scholes option-pricing model with the following weighted-average assumptions:

	Three Months Ended
	March 31, 2016
Expected term		5.94
Expected volatility		87	%
Risk-free interest		1.26	%
Dividend yield		0	%