Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Loss per Share

The following table presents the net income (loss) used in computing basic and diluted net income (loss) per common share (in thousands):

	Years Ended December 31,
	2022		2021			2020
Net income (loss) used in basic and diluted net income (loss) per common share	$	3,001	$	(131,360	)	$	(83,065	)

Schedule of Weighted Average Shares used in Computing Basic and Diluted Net Income (Loss) Per Common Share

The following table presents the reconciliation of weighted average shares used in computing basic and diluted net income (loss) per common share:

	Years Ended December 31,
	2022		2021		2020
Weighted average shares used to compute basic    net income (loss) per share		35,317,644		34,823,258		33,677,641
Plus effect of dilutive securities:
Stock-based awards from employee equity plans		207,611		—		—
Convertible senior notes		—		—		—
Weighted average shares used to compute    diluted net income (loss) per share		35,525,255		34,823,258		33,677,641

Schedule of Net Income (Loss) Per Common Share - Basic and Diluted

The following table presents the net income (loss) per common share - basic and diluted:

	Years Ended December 31,
	2022		2021			2020
Net income (loss) per common share:
Basic	$	0.08	$	(3.77	)	$	(2.47	)
Diluted	$	0.08	$	(3.77	)	$	(2.47	)

Computation of Potentially Dilutive Securities Outstanding Excluded from Computation of Diluted Shares

	December 31,
	2022		2021		2020
Stock-based awards from employee equity plans		1,394,189		1,713,145		1,865,164
Convertible senior notes		1,807,141		1,807,141		3,597,174
Warrants related to the issuance of convertible senior notes		1,807,141		1,807,141		3,597,174
Total		5,008,471		5,327,427		9,059,512