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

3 Months Ended

Mar. 30, 2018

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

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

	Three Months Ended
	March 30, 2018		March 31, 2017
Numerator:
Net income (loss)	$	583	$	(2,203)
Denominator:
Weighted average common shares and denominator for basic calculation:
Weighted average common shares outstanding		41,431		40,772
Less: Unvested restricted stock		(21)		(23)
Denominator for basic calculation		41,410		40,749
Weighted average effects of potentially dilutive common stock:
Stock options		1,396		—
Unvested restricted stock		264		—
Restricted stock units		17		—
Warrants		—		—
Denominator for diluted calculation		43,087		40,749

Net income (loss) per share – basic	$	0.01	$	(0.05)
Net income (loss) per share – diluted	$	0.01	$	(0.05)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

The following table sets forth (in thousands) the weighted average number of options and warrants to purchase shares of common stock, restricted stock, and restricted stock units with either exercise prices or unrecognized compensation cost per share greater than the average market price per share of the Company’s common stock, which were not included in the calculation of diluted per share amounts because the effects would be anti-dilutive.

	Three Months Ended
	March 30, 2018		March 31, 2017
Options	$	385	$	2,567
Restricted stock and restricted stock units		4		146
Total	$	389	$	2,713