Shares Outstanding as of February 14, 2011: 26,230,810
I am told by very reliable sources (from publicly available info, e.g., the 10-Q) that:
This includes all shares that were reported as issued under the subsequent event transactions including the Tier acquisition and the January 2011 equity rounds.
There were a total of 5,547,719 of underlying options, restricted stock units and warrants that were outstanding as of 12/31/10. This does not include the inducement options issued in connection with the Tier transaction, which were 750,000 options.