Well, without even looking at the report, I can give you most of an answer. Market cap is based on the most recent count of outstanding shares, which was the 19M number as of the date the report was filed. The 18M number was the outstanding shares as of Dec. 31, 2015. The 23M number is the fully diluted shares count; ie, the number of shares that would be outstanding if all the options, warrants, convertible notes, and convertible preferred shares were converted to shares right now.
I don't know what the 16M number is without looking. But I think we would already know if there was a share buyback. And why would there be, when we need cash for growth?
I was wondering what share count is used to determine market cap?
What I dont understand is how did the "basic share" count in the statement of operations decrease from 17,756,967 in the Q3 report to 16,966,921 3 months later? Buyback?