Stockholders’ Equity (Tables)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Equity Based Compensation Expense

Stock-based compensation expense, consisting of service-based expense related to the equity incentive plan, including expense from stock options and restricted stock units, and the employee stock purchase plan was classified as follows in the accompanying condensed consolidated statements of operations for each of the periods presented (in thousands):

	Three Months Ended June 30				Six Months Ended June 30,
	2022		2021		2022		2021
Cost of revenue	$	176	$	210	$	324	$	279
Sales and marketing	790		679		1,452		811
Research and development	1,078		2,020		1,630		2,416
General and administrative	2,436		2,360		4,499		3,587
Total	$	4,480	$	5,269	$	7,905	$	7,093

Schedule of Stock Option Activity

Stock option activity was as follows:

	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (years)	Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2021	7,574,136	$	8.60	8.35	$	52,257
Exercisable as of December 31, 2021	2,719,252	$	3.44	7.03	$	31,929
Granted	—	—
Exercised	(564,083)	$	1.65
Forfeited and expired	(380,947)	$	12.07
Outstanding as of March 31, 2022	6,629,106	$	8.99	7.81	$	8,815
Exercisable as of March 31, 2022	2,665,039	$	5.45	6.30	$	6,975
Granted	—	$	—
Exercised	(121,241)	$	1.55
Forfeited and expired	(649,298)	$	14.15
Outstanding as of June 30, 2022	5,858,567	$	8.58	6.86	$	2,402
Exercisable as of June 30, 2022	2,959,753	$	6.35	5.45	$	2,281

Schedule of Restricted Stock Unit Activity

Restricted Stock Unit activity was as follows:

	Number of Shares	Weighted Average Grant Date Fair Value
Outstanding as of December 31, 2021	171,075	$	18.50
Granted	3,183,398	6.24
Vested	(593)	9.08
Canceled	(33,911)	16.02
Outstanding as of March 31, 2022	3,319,969	$	6.77
Granted	2,420,126	$	5.48
Vested	(174)	$	5.13
Canceled	(440,535)	$	7.29
Outstanding as of June 30, 2022	5,299,386	$	6.11