To paraphrase the late, great Bill Shankly it is much, much more important than that.
Most businesses will have an issue with cash flow at some stage in their life and for an SME this can be catastrophic; according to Dun and Bradstreet, 90% of small business failures are caused by poor cash flow.
So what kind of issues can give rise to a cash flow problem? Imagine the situation at 9.00 on a Monday morning when you get the bad news. It could be: