Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Jan. 01, 2013	Jan. 03, 2012
Operating Loss Carryforwards [Line Items]
Pre-tax net income	$ 11,432,000	$ 8,378,000	$ 5,609,000
Foreign income (loss)	(100,000)
Tax benefits on options	201,000	27,000	109,000
Increase in equity if realized	5,100,000
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 22,700,000	$ 15,600,000