Summary Stockholders' Equity

6 Months Ended

Jun. 30, 2015

Stockholders' Equity

Stockholders' Equity

9. Summary Stockholders’ Equity

The following summary table provides details related to the activity in certain captions within Stockholders’ Equity for the six month period ended June 30, 2015, in thousands.

	Common Stock		Additional Paid-in Capital
	(unaudited)
Balance, December 31, 2014	$	43	$	230,122
Share-based compensation	—		2,020
Issuance of ESPP shares	—		324
Exercise of stock options	—		685
Equity issued on note conversion	5		25,051
Balance, June 30, 2015	$	48	$	258,202