Director/producers Debbie Melnyk and Rick Caine made the film that chronicles Michael Moore's transition from film-maker to liberal icon and explores the skeletons in his closet.
The film is having its UK premiere at the Edinburgh International Film Festival on Aug 21 and will also screen at Raindance on Sept 26.
Spencer Pollard, Liberation's managing director, said: 'This is a really interesting piece for us, we are profiling it theatrically because we believe there is an audience who will appreciate the balanced view that this documentary offers. The filmmakers are respected journalists; it's a very entertaining 74 minutes'
Liberation is primarily a library company that concentrates on DVD, digital distribution and TV sales.