The lack of volume in the last few days may just combine with the catalyst (2 positive spin articles in Motley Fool today) to make another run to the above $5 territory.
The shorts tried mightily to crack it below the 4.50 level and couldn't. Smart buyers (not many though) came in with support at an area that has held before. The lack of volume to the dpwnside could just be the spark we need. I would think the convert hedge has run it's course and the stock should start to gain major NEW $'s as the story becomes more widely disseminated.
Don't lose your optimism wilder, we're getting closer every day.