Lean managers have much trouble understanding the traditional cost accounting reports to run their operations. They just want a simple and easy to understand statement they can use. Lean Accounting was developed just for that need.
Instead of giving lengthy description, I am attaching a link to my slideshow. After viewing this you should have a general understanding of this concept. You should seek professional help to implement this. You can find hundreds of consultants on the web.Introduction to Lean Accounting