Stock Option Plan (Tables)

9 Months Ended

Sep. 30, 2020

Summary of Stock Options Outstanding and Exercisable by Exercise Price

The stock options outstanding and exercisable by exercise price at September 30, 2020 are as follows:

		Options Outstanding						Options Vested and Exercisable
Exercise Price		Number Outstanding		Weighted- Average Remaining Contractual Life (Years)		Weighted- Average Exercise Price		Number Exercisable		Weighted- Average Exercise Price
$	0.16		32,850		3.3	$	0.16		32,850	$	0.16
	0.37		53,251		4.7		0.37		52,917		0.37
	0.97		80,234		5.5		0.97		64,849		0.97
	2.51		117,902		5.9		2.51		82,234		2.51
	2.89		46,000		6.4		2.89		30,250		2.89
	2.93		311,672		6.6		2.93		210,807		2.93
	3.18		106,200		6.8		3.18		63,865		3.18
			748,109		6.1		2.38		537,772		2.24

Summary of Restricted Stock Units Activity

The Company’s restricted stock units activity is summarized as follows:

	Units Issued and Outstanding			Weighted-Average Grant Date Fair Value
As of December 31, 2019		503,900		$	8.48
Granted		55,000			4.40
Released		(88,886	)		7.99
Canceled		(28,039	)		9.12
As of September 30, 2020		441,975			8.03

2012 Stock Option Plan

Summary of Stock Award and Option Activity Under Stock Incentive Plan

The Company’s stock award activity under the stock incentive plan is summarized as follows:

	Awards Available for Grant
As of December 31, 2019		4,847,877
Authorized		700,023
Granted		(55,000	)
Canceled		34,707
As of September 30, 2020		5,527,607

The Company’s stock option activity under the stock incentive plan is summarized as follows:

	Options Issued and Outstanding			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value (in thousands)
As of December 31, 2019		850,334		$	2.30	$	6.8	$	3,587
Granted		—			—
Exercised (1)		(95,557	)		1.66
Canceled		(6,668	)		1.95
As of September 30, 2020		748,109			2.38	$	6.1		1,463
Options vested and expected to vest as of September 30, 2020		748,109			2.38	$	6.1		1,463
Options vested and exercisable as of September 30, 2020		537,772			2.24	$	6.0		1,131

(1)     Includes vesting of early-exercised options.