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Note 17 - Stockholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Foreign currency translation adjustments, net of tax $ (11,440) $ (10,847)
Accumulated other comprehensive loss (22,994) (24,698)
Internal Revenue Service (IRS) [Member]    
Employee benefit related adjustments, net of tax (11,745) (13,867)
Mexican Tax Authority [Member]    
Employee benefit related adjustments, net of tax $ 191 $ 16