Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2013

Summary of Significant Accounting Policies

Schedule of share-based compensation expense includes stock options granted to employees and non-employees

	Three months ended September 30,				Nine months ended September 30,
	2013		2012		2013		2012
Research and development	$	752	$	96	$	1,052	$	182
General and administrative	395		54		555		101
Total	$	1,147	$	150	$	1,607	$	283