Sorry, the LeoStick is now live and working in a production system therefore I can no longer program it. I was under a lot of time pressure to build, implement and deploy, which is a great motivator for getting things to work regardless of the problems encountered.
I may play with a LeoStick in the future, it did the job nicely. However, my usual occupation is software engineer rather than hardware hacker 8P
A shrunk down Leonardo-compatible board, thumb drive sized with native USB support. [Product info]