Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss)	$ 7,239	$ (1,721)	$ (7,014)	$ (11,082)
Net Income (Loss) Available to Common Stockholders, Basic	$ 5,642	$ (1,721)	$ (7,014)	$ (11,082)
Weighted Average Number of Shares Outstanding, Basic	35,009,656	34,797,490	34,930,326	29,571,846
Basic and diluted net income (loss) per share	$ 0.16	$ (0.05)	$ (0.20)	$ (0.37)
Dilutive effect of preferred stock and non-vested shares	9,668,858	0	0	0
Weighted Average Number of Shares Outstanding, Diluted	44,678,514	34,797,490	34,930,326	29,571,846
Common shares excluded from diluted net loss per share computation	0	9,813,285	9,886,530	9,813,285
Restricted Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	$ (80)	$ 0	$ 0	$ 0
Preferred Stock [Member]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	$ (1,517)	$ 0	$ 0	$ 0