Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Net Income (Loss) per Share

The following table is a reconciliation of the numerator and denominator in the basic and diluted net income (loss) per share calculation (in thousands, except per share data) for the three and nine months ended September 30, 2021 and 2020:

	Three months ended September 30,						Nine months ended September 30,
	2021			2020			2021			2020
Net income (loss)	$	(5,896	)	$	(115	)	$	(32,400	)	$	(9,042	)
Weighted average number of shares outstanding:
Basic		27,201			21,592			26,484			21,532
Effect of dilutive securities:
Stock options, restricted stock units and share awards		—			—			—			—
Diluted		27,201			21,592			26,484			21,532
Net income (loss) per share:
Basic	$	(0.22	)	$	(0.01	)	$	(1.22	)	$	(0.42	)
Diluted	$	(0.22	)	$	(0.01	)	$	(1.22	)	$	(0.42	)

Potential Common Stock not Included Diluted Net Income (Loss) Per Share Calculation

The following table sets forth potential common stock that is not included in the diluted net income (loss) per share calculation above because their effect would be anti-dilutive for the periods indicated (in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020
Outstanding stock options		389		148		651		286
Unvested restricted stock units		312		12		232		16