Gold Reserve's direct cost associated to arbitration is a decent measuring stick for this variable.
Of course "keeping the doors open" costs exist in addition. At this point, this cost is not relevant to me. Current costs can certainly be gleened from the filings, have at it. It will be debated if they are lean enough, if and when necessary, Crystallex works out the major financial concerns of the notes and direct arbitration costs.
I imagine Crystallex will be leaner than Gold Reserve because they will not be looking for other opportunities like Gold Reserve stated activities.