Income Taxes (Narrative) (Details) - USD ($)	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Income Tax Examination [Line Items]
U.S. operating loss carryforwards	$ 1,900,000
Foreign net operating loss carryforwards	4,100,000
Valuation allowance	1,042,000	$ 1,287,000
Undistributed earnings in foreign subsidiaries	2,400,000
U.S. federal or state deferred income taxes	0
Accrued income tax-related interest and penalties	228,000	202,000
ASC 740-10 tax liabilities, current	738,000	$ 712,000	$ 792,000
UNITED KINGDOM
Income Tax Examination [Line Items]
Foreign net operating loss carryforwards	300,000
FRANCE
Income Tax Examination [Line Items]
Foreign net operating loss carryforwards	700,000
AUSTRALIA
Income Tax Examination [Line Items]
Foreign net operating loss carryforwards	$ 900,000