And even then I doubt they'll make a phantom crane a Ghost-type, to be honest. Bug/Dark maybe, but not Ghost.
Either way, I too doubt that pipsqueak will be a Bug-type; I still get this Electric vibe from it... But if it's classified as a phantom, then it'll probably be a Ghost-type, or part as far as we know. Maybe it'll be another Rotom as far as typing goes, or maybe a weird combo...who knows. Tell you the truth, that thing doesn't look that special, it even seems too "normal", as in Rattata- or Sentret-looking (if that even makes sense). So...Normal/Ghost...? I dunno. I often don't bother speculating and what have you, but this critter I have to admit has piqued my interest...what with it being #000 and all.
By the way, a bit off topic, but I found this fan-made drawing of Gigaiasu, which thus far is the closest thing we've got to official art: