Loss Per Share - Reconciliation of Shares in the Calculation of Basic and Diluted Loss Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net loss	$ (5,621)	$ (4,659)
Earnings allocated to unvested restricted stock	0	0
Net loss available to common stockholders	$ (5,621)	$ (4,659)
Denominator:
Weighted-average shares used in computing basic net loss per share (in shares)	162,773	159,847
Net loss available to common stockholders	$ (5,621)	$ (4,659)
Add dilutive impact of employee equity plans (in shares)	0	0
Weighted-average shares used in computing diluted net loss per share (in shares)	162,773	159,847