Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2017

Summary of Significant Accounting Policies

Schedule of stock-based compensation expense

During the three months ended March 31, 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 March 31,
	2017		2016
Research and development	$	200	$	172
General and administrative	305		376
Total	$	505	$	548

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

	Three Months Ended March 31,
	2017	2016
Stock options	2,903,497	2,197,030
Common stock warrants	24,566	36,084
	2,928,063	2,233,114