It is not clear exactly what has happened and why SNK Playmore has moved to terminate its licensing agreement with TOMMO, but it is clear that so far it would appear that inventory is still available from a variety of sources. We have heard a number of unverified rumors that have suggested that the issues apparently revolved around sales and royalties which should come as little surprise.
While the Neo Geo X Gold was not perfect, it did give many the ability to experience the world of Neo Geo that many never had the chance to check out. It is unknown if SNK Playmore has plans of its own to revive the Neo Geo or its games since it has terminated the agreement with TOMMO.
Read the announcement from SNK here.