Or maybe it is not the company has trouble collecting the cash but is continuing to get large orders in which they can not turn their cash over quickly enough. However AR is not getting much larger q over q which shows they are collecting on their orders. And AR isn't increasing at an alarming rate in which your posts would infer.
The chart that was given to you in this link explains this and was in response to this statement of yours however rather than explain why it is a negative issue you ignore the link in which I provided and explain the issue of which the link was in response to..
Good luck..
Everything I say is in my own opinion do not buy sell or hold based off what I have to say.