Frank has now been asked to compile daily reports after there was reported friction between the pair.
"Sit the (expletive) down! I'm the coach of this (13-letter word) team! When you're on the bench, don't (expletive) move," Kidd allegedly told Frank, according to ESPN.
The Nets are 6-14 for the season, and 1-2 since Kidd made the decision to demote Frank from his defensive coordinator role.