Redeemable Convertible Preferred Stock

6 Months Ended

Jun. 30, 2015

Equity [Abstract]

Redeemable Convertible Preferred Stock

Redeemable Convertible Preferred Stock

The following table presents a summary of activity for the preferred stock issued and outstanding for the six months endedJune 30, 2014 (in thousands):

	Series A		Series B		Series C		Series C-1		Series D		Series E		Total Amount
Balance, January 1, 2014	$	2,559	$	22,918	$	24,749	$	5,401	$	62,716	$	—	$	118,343
Issuance of preferred stock	—		—		—		—		—		77,000		77,000
Accretion of dividends on preferred stock	65		634		818		188		2,407		2,088		6,200
Balance, June 30, 2014	$	2,624	$	23,552	$	25,567	$	5,589	$	65,123	$	79,088	$	201,543

All redeemable convertible preferred stock automatically converted into shares of common stock upon close of our initial public offering in December 2014. As of June 30, 2015 we had no redeemable convertible preferred stock outstanding.