Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Stock Option Activity

A summary of option activities under the 2005 Plan and 2017 Plan during the nine months ended September 30, 2019 is as follows:

	Number of Options Outstanding			Weighted Average Exercise Price
Outstanding as of December 31, 2018		820,186		$	8.44
Granted		91,000		$	43.89
Exercised		(302,174	)	$	1.46
Canceled		(30,150	)	$	23.60
Outstanding as of September 30, 2019		578,862		$	16.87

Schedule of Stock-Based Compensation Expense Recorded in Condensed Consolidated Statements of Operations

Total stock-based compensation expense associated with the 2005 Plan, 2017 Plan and 2017 ESPP is recorded in the condensed consolidated statements of operations and was allocated as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Cost of revenues	$	125	$	97	$	472	$	229
Sales and marketing		173		273		712		538
Research and development		83		98		273		206
General and administrative		335		280		918		850
Total	$	716	$	748	$	2,375	$	1,823