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Note 3 - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Net revenue $ 97,434 $ 82,346
Sypris Technologies [Member]    
Net revenue 61,737 45,321
Sypris Technologies [Member] | Transferred at Point in Time [Member]    
Net revenue 61,737 45,321
Sypris Electronics [Member]    
Net revenue 35,697 37,025
Sypris Electronics [Member] | Transferred at Point in Time [Member]    
Net revenue 7,232 6,550
Sypris Electronics [Member] | Transferred over Time [Member]    
Net revenue $ 28,465 $ 30,475