Basic and Diluted Net Income Per Share (Tables)

12 Months Ended

Jan. 01, 2021

Earnings Per Share [Abstract]

Summary of Computation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share (in thousands except per share amounts):

	Years Ended
	2020			2019			2018
Numerator:
Net income	$	5,913		$	14,048		$	4,968
Denominator:
Weighted average common shares:
Common shares outstanding		45,616			44,504			42,598
Less:  Unvested restricted stock		(11	)		(11	)		(11	)
Denominator for basic calculation		45,605			44,493			42,587
Weighted average effects of potentially diluted common stock:
Stock options		2,272			2,254			2,360
Unvested restricted stock		4			6			10
Restricted stock units		71			142			300
Performance stock units		1			—			—
Denominator for diluted calculation		47,953			46,895			45,257
Net income per share:
Basic	$	0.13		$	0.32		$	0.12
Diluted	$	0.12		$	0.30		$	0.11

Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share

	Years Ended
	2020		2019		2018
Stock options		20		1,503		315
Restricted stock, restricted stock units and performance stock units		—		—		—
Total		20		1,503		315