This is all I could find in a quick search, probably more out there. Sounds as though Gen.Flynn could still provide info if they want more. There was one more but nothing different other than crap. More at each link, not edifying to me anyway.
Mueller files report on Michael Flynn’s sentencing, declares his cooperation is virtually “complete”
CODY FENWICK
MARCH 13, 2019 3:14PM (UTC)
“The government takes no position on the defendant’s request for a continuance,” the filing said, referring to Mueller’s office. “However, the defendant remains in a position to cooperate with law enforcement authorities, and could testify in the EDVA case should it proceed to trial, in the government’s view his cooperation is otherwise complete.”
..............................
Mueller says Flynn’s cooperation ‘complete’
https://www.politico.com/story/2019/03/12/michael-flynn-cooperating-1219273
DARREN SAMUELSOHN 03/12/2019 09:57 PM EDT
“At this time, the defendant continues to request a continuance since the case in EDVA has not been resolved, and there may be additional cooperation for the defendant to provide pursuant to the plea agreement in this matter,” Flynn’s attorneys said in the report to U.S. District Judge Emmet Sullivan, referring to the Eastern District of Virginia.