Oh, and it also happened to be on Youtube. So you can watch it here. Enjoy!
PS - The doc is actually kind of slight and fluffy, and certainly not comprehensive in any way. The ultimate online resource for Kubrick's unmade work remains this incredibly thorough, six-page article at IndyWire's superlative blog, The Playlist. Truly a smorgasbord of links and information for the Kubrick fanatic in you!