Summary Stockholders' Equity

9 Months Ended

Sep. 30, 2016

Summary Stockholders' Equity

Summary Stockholders' Equity

9. Summary Stockholders’ Equity

The following summary table provides details related to the activity in certain captions within Stockholders’ Equity for the nine month period ended September 30, 2016, in thousands:

	Common Stock		Additional Paid-in Capital
	(unaudited)
Balance, December 31, 2015	$	49	$	263,955
Share-based compensation	—		4,454
Issuance of ESPP shares	—		787
Exercise of stock options	1		467
Equity issued on note conversion	—		2,138
Balance, September 30, 2016	$	50	$	271,801