Stockholders Equity (Details) $ / shares in Units, $ in Millions	Apr. 10, 2015 USD ($) d $ / shares shares	Jun. 29, 2015 $ / shares	Dec. 29, 2014 $ / shares	May. 20, 2014 $ / shares
Class of Stock [Line Items]
Common stock, par value (in dollars per shares)		$ 0.01	$ 0.01
AB Opportunity Fund LLC & AB Value Partners L.P. [Member]
Class of Stock [Line Items]
Exercise price of warrants (in dollars per shares)				$ 0.01
2015 Purchase Agreement [Member]
Class of Stock [Line Items]
Days for filing registration statement | d	30
2015 Purchase Agreement [Member] | Unregistered Common Shares [Member]
Class of Stock [Line Items]
Sale of unregistered shares of common stock to purchasers (in shares) | shares	7,160,766
Common stock, par value (in dollars per shares)	$ 0.01
Common stock, purchase price (in dollars per shares)	$ 2.16
Aggregate gross proceeds | $	$ 15.5
2015 Private Placement Transaction [Member]
Class of Stock [Line Items]
Issuance cost | $	$ 0.2