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Note 10 - Income Taxes - Income Tax Expense (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Oct. 01, 2017
Sep. 30, 2018
Oct. 01, 2017
Foreign $ 64,000 $ 48,000 $ 153,000 $ 199,000
Federal 14,000 42,000
State 4,000 4,000 12,000 12,000
Deferred Income Tax Provision 18,000 38,000 54,000 117,000
Total $ 86,000 $ 104,000 $ 219,000 $ 370,000