15.  RELATED PARTY TRANSACTIONS

Enovation Controls purchases and sells inventory to entities partially owned by a director of Helios. For the six months ended June 29, 2019, and June 30, 2018, inventory sales to the entities totaled $712 and $1,525, respectively, and inventory purchases from the entities totaled $2,694 and $1,751, respectively.

At June 29, 2019, and December 29, 2018, amounts due from the entities totaled $90 and $296, respectively, and amounts due to the entities totaled $326 and $631, respectively.