easiest way to tell how long 3m might last is to see movement in...

easiest way to tell how long 3m might last is to see movement in cash for previous quarters in the 5B's and focus on say exploration in particular as this would be wear drilling programs costs would lie. Next add in your assumptions for any material impacts on forcasted cashflows based on upcoming changes in exploration programs and other possible material costs that may be arising and you should have some very basic napkin maths in large numbers for how long it will last.

3 mil for a small company like HAW could last a while (6-12 months) but to be honest I havent followed their announcements since lost interest a while back, an intensive drilling program could burn up 3m in a matter of months.