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Note 23 - Subsequent Events (Details Textual) - USD ($)
Feb. 21, 2017
Dec. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment, Net   $ 17,943,000 $ 22,178,000
Forging Press and Related Equipment [Member] | Sypris Electronics [Member]      
Property, Plant and Equipment, Net   $ 90,000  
Forging Press and Related Equipment [Member] | Sypris Electronics [Member] | Subsequent Event [Member]      
Proceeds upon Signing from Sale of Property, Plant, and Equipment $ 2,500,000