Ann: FY17 Sales Guidance Update, page-6

And the patent might be another reason APN can't just jump in at a higher price.

Extract from broker report-

Patent already filed

Contact light has filed a precedent on a global basis for their patent covering any hand off from a large format digital screen to a mobile device for promotion or marketing purposes. Whilst a broad and potentially difficult patent to successfully prosecute in a court given XTD’s current cash balance,
it is worth noting that Frank Hurley, Chairman of XTD, is CEO of a large patent attorney firm.