18.  RELATED PARTY TRANSACTIONS

Enovation Controls purchases and sells inventory to an entity partially owned by a director of Helios. For the years ended December 28, 2019, December 29, 2018 and December 30, 2017, inventory sales to the entity totaled $1,441, $2,584 and $2,507, respectively, and inventory purchases from the entity totaled $4,732, $6,178 and $11,050, respectively.

In addition to these inventory transactions, Enovation Controls had a transition service agreement with the related party to provide, and receive, certain transition services for a period of up to one year after the acquisition for specified services. For the years ended December 29, 2018 and December 30, 2017, sales, and related costs incurred, recognized by Enovation Controls under the agreement both totaled $39 and $1,757, respectively, and are included in miscellaneous expense, net in the Consolidated Statement of Operations.  For the years ended December 29, 2018 and December 30, 2017, purchases from the related party under the agreement totaled $22 and $1,160, respectively.

At December 28, 2019 and December 29, 2018, total amounts due from the entity totaled $73 and $296, respectively, and total amounts due to the entity totaled $361 and $631, respectively.