Basic and Diluted Net Income (Loss) Per Share (Tables)

12 Months Ended

Jan. 03, 2020

Earnings Per Share [Abstract]

Summary of Computation of Basic and Diluted Net Income (Loss) Per Share

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

	Years Ended
	2019			2018			2017
Numerator:
Net income (loss)	$	14,048		$	4,968		$	(2,139	)
Denominator:
Weighted average common shares:
Common shares outstanding		44,504			42,598			41,025
Less:  Unvested restricted stock		(11	)		(11	)		(21	)
Denominator for basic calculation		44,493			42,587			41,004
Weighted average effects of potentially diluted common stock:
Stock options		2,254			2,360			—
Unvested restricted stock		6			10			—
Restricted stock units		142			300			—
Denominator for diluted calculation		46,895			45,257			41,004
Net income (loss) per share:
Basic	$	0.32		$	0.12		$	(0.05	)
Diluted	$	0.30		$	0.11		$	(0.05	)

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

	Years Ended
	2019		2018		2017
Stock options		1,503		315		2,237
Restricted stock and restricted stock units		—		—		203
Total		1,503		315		2,440