They can not buy their shares back since it is not approved by the board, neither do they have the money to do so. Odidi's options are running out and we all know if they choose to dilute we will not see a market cap of 35 million anytime soon or in this decade.
The FDA often makes announcements on Fridays so, there is a chance we get something from them tomorrow.
Maybe we do not get a complete rejection but something that says this is what is needed to move forward (likely the studies the ADCOM wanted to see). But I am just guessing. Anything that indicates Rexista is not totally dead is a win.