Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Summary of Significant Accounting Policies

Schedule of Revenue and Accounts Receivable for Each Significant Customer

	Revenue								Accounts Receivable, net
	Three Months Ended				Nine Months Ended				As of		As of
	September 30,				September 30,				September 30,		December 31,
Customers	2017		2016		2017		2016		2017		2016
Customer A	18	%	22	%	17	%	23	%	15	%	12	%
Customer B	*	%	*	%	*	%	*	%	11	%	13	%
Customer C	*	%	*	%	10	%	*	%	*	%	10	%
Customer D	16	%	11	%	14	%	11	%	*	%	18	%

*Less than 10%

Schedule of Fair Value of Financial Assets Measured on Recurring Basis

The following table sets forth the fair value of the Company’s financial assets measured at fair value on a recurring basis based on the three-tier fair value hierarchy (in thousands):

	September 30, 2017
	Level 1		Level 2		Level 3			Total
Assets:
Money market funds	$	18,254	$	—	$	—	$	18,254
Total assets measured at fair value	$	18,254	$	—	$	—	$	18,254

	December 31, 2016
	Level 1		Level 2		Level 3			Total
Assets:
Money market funds	$	29,869	$	—	$	—	$	29,869
Total assets measured at fair value	$	29,869	$	—	$	—	$	29,869