Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Stock-Based Compensation

Schedule of stock based compensation expense categories in statement of operations

	Three months ended March 31,
	2022		2021
Sales and marketing	$	307	$	184
General and administrative		464		366
Research and development		130		144
Total stock‑based compensation	$	901	$	694

Schedule of stock option activity

				Weighted
				average
		Weighted		remaining
	Number of	average exercise		contractual term
	shares	price per share		(years)
Outstanding at January 1, 2022	1,706,409	$	11.88
Granted	239,175		11.83
Exercised	(1,154)		6.21
Canceled/forfeited	(58,349)		13.34
Outstanding at March 31, 2022	1,886,081	$	11.84	7.63
Vested and expected to vest at March 31, 2022	1,823,043	$	11.79	7.58
Exercisable at March 31, 2022	955,734	$	10.46	6.41

Schedule of activity relating to early exercise of stock options

	Number of
	shares
Unvested balance at January 1, 2022	29
Vested	(27)
Unvested balance at March 31, 2022	2

Schedule of weighted average assumptions

	Three months ended
	March 31, 2022
Expected dividend yield	—
Expected volatility	67.4	%
Risk‑free interest rate	1.92	%
Expected term (in years)	6.25

Schedule of restricted stock units (RSUs)

	Number of
	shares
Outstanding at January 1, 2022	163,043
Granted	170,315
Vested	(38,908)
Canceled/forfeited	(320)
Outstanding at March 31, 2022	294,130