It is not shorting you cannot short TSX stocks that are under $1.00
Likely more to do with Mitchell no longer buying. He accounted for a large percentage of the volume, so liquidity isn't there.
As for credit facility, I don't see this as a big push to the stock. They are already over borrowed, so don't need more credit, they need less.
Out right now, but watching where it goes for possible re-entry.