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Note 21 - Property Insurance Claim (Details Textual) - Damage from Fire, Explosion or Other Hazard [Member]
$ in Millions
Jun. 26, 2019
USD ($)
Insurance Deductible $ 0.5
Ancillary Handling Equipment Damaged in Fire [Member]  
Loss Contingency, Estimate of Possible Loss 1.0
Finished Goods Damaged in Fire [Member]  
Loss Contingency, Estimate of Possible Loss $ 7.0