Redeemable Convertible Preferred Stock and Stockholders' Deficit (Tables)

12 Months Ended

Dec. 31, 2016

Redeemable Convertible Preferred Stock and Stockholders' Equity (Deficit)

Schedule of Authorized, Issued and Outstanding Redeemable Convertible Preferred Stock

At December 31, 2015, redeemable convertible preferred stock consisted of the following (in thousands, except share amounts):

		Shares
	Shares	Issued and	Carrying		Liquidation
	Authorized	Outstanding	Value		Preference
Series A	35,580,000	1,365,379	$	35,500	$	35,500
Series B	32,500,000	1,120,820		29,142		29,142
Total	68,080,000	2,486,199	$	64,642	$	64,642

Summary of Common Stock Reserved for Future Issuance

	December 31,
	2016	2015
Redeemable convertible preferred stock	—	2,486,199
Options issued and outstanding	1,414,730	927,175
Shares available for future option grants	342,500	55,330
Redeemable convertible preferred stock warrants	—	27,690
Common stock warrants	27,690	—
Total	1,784,920	3,496,394