RE:RE:RE:RE:DRC kicked out a Chinese Mining Firm I would be careful about calling experimental extraction techniques of various metals, like lithium and tantalum, as being economical. No plant at an industrial scale has been built by ttx or one it's partners. And we don't know how profitable such an operation would be, given the grades and all that.
This is why you are in the orphan phase. The orphan phase represents the typical lull in share price associated with the time it takes to build extractive infrastructure. Going from explorer to producer requires careful planning and competant management.
Deposits like this become more and more interesting as lithium prices go up. So, ride that wave. And hope they don't spend money like mad people. Dilution over time is your enemy here. Overspending is not a good look for a company with over 400 million shares and a slow exploration record.