Wow! That is a tiny brisket. I think I would give it an hour of smoke, low heat, then foil and finish it hot and fast. Go until tender, although I have no idea what to recommend on timing.
I'm feeling bearish, and I'm packing a Wusthof Grand Brisket slicer from MABA
Whip It Off, Chambers!
"perhaps...but then again...maybe not..."