Good points, folks. And then add in this from the letter: "the multi-domain computer business, which is in the early stages of development under a license from the original inventor, is likely to be sold soon to a group that has expressed interest". That could provide a significant offset to whatever has been invested.
Still KNOW nuttin'! But even with the nuttin' I KNOW, this whole thing looks pretty good - an interesting side-show to PTSC's real story. In the scheme of things, the money PTSC has tied up in this venture is peanuts.
SGE