Given that the salaries are a constant, any additional expenses must be from operating activities. You can look at the latest filings and news releases and see that the activities are creating deliverables, such as BLM approvals, pending EA approvals, work on ADEQ approvals, Chill removals, ect. These are clear signs that they are making progress and are easily verifiable with various public entities.
The company is demonstrating that it is not just a scam company and has made real progress towards becoming a producing mining company. Keep in mind that it was simply a scam company like so many others they would simply issue PRs with no verifiable information.
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