Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Stock-Based Compensation

Schedule of stock based compensation expense categories in statement of operations

The Company recorded stock‑based compensation expense in the following expense categories of its accompanying consolidated statements of operations and comprehensive loss (in thousands):

	Three months ended March 31,
	2021		2020
Sales and marketing	$	184	$	161
General and administrative		366		209
Research and development		144		79
Total stock‑based compensation	$	694	$	449

Schedule of stock option activity

				Weighted
				average
		Weighted		remaining
	Number of	average exercise		contractual term
	shares	price per share		(years)
Outstanding at January 1, 2021	1,498,208		10.87
Granted	180,575		16.99
Exercised	(3,122)		11.46
Canceled/forfeited	(41,339)		12.72
Outstanding at March 31, 2021	1,634,322	$	11.50	7.80
Vested and expected to vest at March 31, 2021	1,570,634	$	11.41	7.76
Exercisable at March 31, 2021	729,909	$	8.86	6.50

Schedule of activity relating to early exercise of stock options

	Number of
	shares
Unvested balance at January 1, 2021	182
Vested	(46)
Unvested balance at March 31, 2021	136

Schedule of weighted average assumptions

	Three months ended
	March 31, 2021
Expected dividend yield	—
Expected volatility	64.3	%
Risk‑free interest rate	0.82	%
Expected term (in years)	6.25

Schedule of restricted stock units

	Number of
	shares
Outstanding at January 1, 2021	—
Granted	186,732
Canceled/forfeited	(855)
Outstanding at March 31, 2021	185,877