Net Income (Loss) Per Share (Tables)

9 Months Ended

Sep. 28, 2014

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						Nine Months Ended
	September 28, 2014			September 29, 2013			September 28, 2014			September 29, 2013
Basic and diluted net loss per share:
Net loss	$	(1,721	)	$	(2,762	)	$	(11,082	)	$	(11,457	)
Basic and diluted weighted average common shares outstanding	34,797,490			23,020,529			29,571,846			22,929,505
Basic and diluted net loss per share	$	(0.05	)	$	(0.12	)	$	(0.37	)	$	(0.50	)
Common shares excluded from diluted net loss per share computation (1)	9,813,285			10,066,823			9,813,285			10,066,823

(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.