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Note 4 - Employee Benefit Plans	3 Months Ended
Note 4 - Employee Benefit Plans	Oct. 01, 2017
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	4 . Employee benefit plans The Company has two defined contribution plans with Company contributions determined by the Board of Directors. The Company has no defined benefit plan or other postretirement plan.