Net Income (Loss) Per Share (Tables)

6 Months Ended

Jun. 28, 2015

Earnings Per Share [Abstract]

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

The following table sets forth the calculation of basic and diluted net loss per share:

	Three Months Ended						Six Months Ended
	June 28, 2015			June 29, 2014			June 28, 2015			June 29, 2014
Basic and diluted net loss per share:
Net loss	$	(4,977	)	$	(1,932	)	$	(14,253	)	$	(9,361	)
Basic and diluted weighted average common shares outstanding	34,899,019			30,766,524			34,890,661			26,959,024
Basic and diluted net loss per share	$	(0.14	)	$	(0.06	)	$	(0.41	)	$	(0.35	)
Common shares excluded from diluted net loss per share computation (1)	10,019,107			9,947,956			10,019,107			9,947,956

(1) Shares issuable upon conversion of preferred stock and non-vested shares were excluded from the computation of diluted net loss per share because their effect would have been anti-dilutive.