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

12 Months Ended

Jan. 02, 2015

Earnings Per Share [Abstract]

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):

	2014		2013		2012
Numerator:
Net income (loss)	$	(8,392)	$	398	$	(1,763)
Denominator:
Weighted average common shares and denominator for basic calculation:
Weighted average common shares outstanding		38,342		37,017		36,433
Less: Unvested restricted stock		(251)		(311)		(180)
Denominator for basic calculation		38,091		36,706		36,253
Weighted average effects of potentially dilutive common stock:
Stock options		—		1,235		—
Unvested restricted stock		—		177		—
Restricted stock units		—		75		—
Warrants		—		414		—
Denominator for diluted calculation		38,091		38,607		36,253
Net income (loss) per share – basic	$	(0.22)	$	0.01	$	(0.05)
Net income (loss) per share - diluted	$	(0.22)	$	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 and restricted stock which were not included in the calculation of diluted per share amounts because the effects would be anti-dilutive.

	2014		2013		2012
Options		1,988		1,109		1,632
Warrants		492		—		746
Restricted stock		227		—		180
Total		2,707		1,109		2,558