(I can't copy and paste from the 10Q for some reason so I'll paraphrase)
From 10Q: In Feb 2011 ; 600K series M warrants had exercise pps $6.00. In November 2011 ; 600K series M warrants reduced to $3.40. In Oct 2013 600K series M reduced to 500K and pps reduced to $1.00. As of Decemeber 31, 2013 500K series M remain outstanding.
The above filing link gives me belief that they were exercised and a sell down into any market demand or lack there of...
Couple of side notes: (hard to be sure with all the finance activities here); I believe there is about $4M left for raising via previous S filings. The trading dictated my selling the other day. The selling of news was just way too obvious. And in regard to your point:
I couldn't agree more. This offering was made Friday after hours and was closed by the following Monday (almost zero market time). I know they didn't publish it was closed until a few days; but I am certain it was closed.