Ann: Large Mineral Resource Expansion and Upgrade for Dougou, page-4

Not when you have the Chinese in the background playing funny buggers.
It's got the lot, high grades, close infrastructure, massive resource, stable country ( for west Africa anyway ) all that is needed is and good sustained rise in potash prices to create some more interest.
A partner with deep pockets would also be helpful, they might even be able to mine it themselves then, and for a change in the business world the shareholder might make a dollar instead of getting burnt.