Market cap30 Aug 2019 11:10
To arrive at a share price value you need to look at the known revenue for this year on a pe basis and compare it to other company's. I'm afraid that there are far better, proven, more profitable companies out there with cash, a proven track record, low pe ( not on aim ) , less volatile ,and pay dividends. For the risk to be worthwhile this has to fall much further and the market cap is far too high by comparison.