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Commitments and Contingencies (Details Textual) (USD $)	12 Months Ended
Commitments and Contingencies (Details Textual) (USD $)	Jan. 02, 2015	Jan. 03, 2014	Dec. 28, 2012
Loss Contingencies [Line Items]
Depreciation For Assets Held Under Capital Lease	$ 330,000	$ 566,000	$ 522,000
Payments for Rent	1,400,000us-gaap_PaymentsForRent	1,500,000us-gaap_PaymentsForRent	1,900,000us-gaap_PaymentsForRent
Chief Executive Officer [Member] \| Subsequent Event [Member]
Loss Contingencies [Line Items]
Defined Benefit Plan, Benefits Paid	$ 300,000

The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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