Earnings Per Share (Tables)

9 Months Ended

Oct. 01, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table summarizes the Company’s computation of basic and diluted net income (loss) per share attributable to common stockholders of the Company:

	Three Months Ended						Nine Months Ended
	October 1, 2017			September 25, 2016			October 1, 2017			September 25, 2016
	(in thousands, except per share data)
Net income (loss)	$	2,802		$	21		$	2,087		$	(1,927	)
Weighted-average shares outstanding	34,780			1,227			33,960			1,175
Less: weighted average shares subject to repurchase due to early exercise	(46		)	(70		)	(53		)	(127		)
Weighted average shares used to compute basic net income (loss) per share	34,734			1,157			33,907			1,048
Dilutive effect of convertible preferred stock, warrants to purchase preferred stock, stock options, common stock warrants, ESPP and RSUs	3,791			28,817			4,512			—
Weighted average shares used to compute diluted net income (loss) per share	38,525			29,974			38,419			1,048
Net income (loss) per share:
Basic	$	0.08		$	0.02		$	0.06		$	(1.84	)
Diluted	$	0.07		$	0.00		$	0.05		$	(1.84	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following potentially dilutive securities outstanding at the end of the periods have been excluded from the computation of diluted shares outstanding as the effect would have been anti-dilutive:

	Three Months Ended		Nine Months Ended
	October 1, 2017	September 25, 2016	October 1, 2017	September 25, 2016
	(in thousands)
Convertible preferred stock (as-converted)	—	24,790	—	24,790
Warrants to purchase convertible preferred stock	—	—	—	39
Warrants to purchase common stock	—	—	—	439
Restricted Stock Units (“RSUs”)	104	—	881	—
Options to purchase common stock	672	1,625	672	6,640
Total	776	26,415	1,553	31,908