The few hundred thousand pounds worth of shares the directors own (which they are conspicuously not adding to) does not mean much. They could make that much every month from Laguna alone.
My investment strategy includes recovery stocks, which throws up some big winners but also a few which go bust. In nearly every case when a company goes into receivership the directors come out smelling of roses, and often owning the valuable parts of the company.
I'm not suggesting that is what the directors are planning, merely that it is a possibility. Shareholders should not assume that their directors are honest or competant. In my opinion the majority of directors (and I do mean the majority) are not.
In any event Minco's dwindling cash pile will not last more than a couple of years, and if they intend to keep going by placing further shares that will not be good for the shareprice. If Laguna has been sidelined, whether for legitimate reasons or not, then the long term future is either receivership or takeover. No company can last long without any income.