Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2014	Dec. 30, 2013
Stockholders' equity (deficit):
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	19,312,794	18,106,979
Treasury stock, shares (in shares)	59,886	59,886