Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

Summary of Significant Accounting Policies

Schedule of stock-based compensation expense

During the three and six months ended June 30, 2017 and 2016, the Company recorded stock-based compensation expense for employee and non-employee stock options, which was allocated as follows in the condensed consolidated statements of operations (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Research and development	$	197	$	179	$	397	$	351
General and administrative	284		338		589		714
Total	$	481	$	517	$	986	$	1,065

Schedule of anti-dilutive common stock equivalents excluded from calculation of diluted net loss per share

	Three Months Ended June 30,		Six Months Ended June 30,
	2017	2016	2017	2016
Stock options	2,801,850	2,087,442	2,801,850	2,087,442
Common stock warrants	24,566	24,566	24,566	24,566
	2,826,416	2,112,008	2,826,416	2,112,008