Income Taxes (Details) (USD $)	3 Months Ended
	Mar. 30, 2015	Dec. 29, 2014
Income Taxes [Abstract]
Net operating loss carryforwards for U.S. federal income tax purposes		$ 243,000,000
Minimum percentage of stock ownership required to effect ownership change (in hundredths)	5.00%
Minimum percentage points by which aggregate stock ownership of holders of at least 5% of stock must increase to effect ownership change (in hundredths)	50.00%
Period over which aggregate stock ownership of holders of at least 5% of stock must increase to effect ownership change	3 years
Warrants conversion for shares of common stock	$ 0.01
Income tax examination, year under examination	1996