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Note 3 - Relocation (Details Narrative) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 28, 2015
Jun. 28, 2015
Dec. 31, 2014
Note 3 - Relocation Details Narrative      
Government reimbursement received - China factory move     $ 815,000
Government reimbursement recognized - China factory move $ 158,000 $ 219,000 596,000
Expenses recognized - China factory move $ 112,000 $ 221,000 $ 841,000