KK2 - There was only $10 million raised at $1.80 per share that had the 4 year $2.05 warrants, just over 5 million of them. RVXOT has reported in the past that a number of those warrants have been exercised. It is impossible to have that many warrants due in June this year. Where did you get your info from? Check out the news release 20 June 2017 announcing the closing of that financing.

tada