SCHEDULE II Valuation and Qualifying Accounts (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Sales Return Reserve
Valuation and Qualifying Accounts
Balance at Beg. of Period	$ 485,000	$ 451,000	$ 547,000
Additions, Charge to Costs and Expenses	175,000	34,000
Deductions			96,000
Balance at End of Period	660,000	485,000	451,000
Deferred Tax Valuation Allowance
Valuation and Qualifying Accounts
Balance at Beg. of Period	8,963,000	5,172,000	5,734,000
Additions, Charge to Costs and Expenses	19,400,000	3,791,000
Deductions			562,000
Balance at End of Period	$ 28,363,000	$ 8,963,000	$ 5,172,000