Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details Textual)

v3.19.1
Related Party Transactions (Details Textual) - Enovation Controls [Member]
$ in Thousands
3 Months Ended
Mar. 30, 2019
USD ($)
Officer
Mar. 31, 2018
USD ($)
Dec. 29, 2018
USD ($)
Related Party Transaction [Line Items]      
Due from entity $ 216   $ 296
Due to entity $ 489   $ 631
Inventory Transactions [Member]      
Related Party Transaction [Line Items]      
Number of officers purchasing and selling inventory | Officer 1    
Total sales to entity $ 482 $ 861  
Total purchases from entity/related party $ 1,455 $ 1,751