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Related Party Transactions (Details Textual) - Enovation Controls [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Dec. 28, 2019
Related Party Transaction [Line Items]      
Due from entities $ 166   $ 73
Due to entities 243   $ 361
Inventory Transactions [Member]      
Related Party Transaction [Line Items]      
Total sales to entities 414 $ 482  
Total purchases from entities/related party $ 999 $ 1,455