Baby Cow, which produced the show about small-time Manchester drug dealer Moz for BBC Three, will also be behind the movie.
Graham Duff, the programme's creator, is currently writing the script, and filming is planned for early next year.
Ben Wheatley, who directed 14 episodes of the series, will also helm the big-screen version.
Chortle quotes chief executive of Baby Cow Henry Normal as saying: "It's going to be set in the same place, with many of the same characters. We even brought the physical set from the BBC, our co-producers on the TV series.
"We are aiming for it to be quite a dark psychological comedy-thriller."
The television version ran for seven seasons, but was axed by BBC Three last year.
Vegas, while collecting a 'Best Performance' gong at the Television Society North West Awards, commented: "Thank you BBC. When the numbers have never been higher, you've cancelled us."
He added: "I'm being fired by the man who commissioned Kerry Katona... so I'm proud to do anything else that you're not involved in."
Normal told Chortle that Ideal fans still show their support for the series, for example staging Ideal nights which feature stand-up performances from the programme's cast members.