Part of the reason they are thinly traded is that some significant percentage of those that bought in at either of the IPOs are now going to sit on their hands and wait a few months to see if the companies deliver.

Everyone (investors and issuers) are chasing after the gold standard - AM. Anyone that sold out in the first 3 months after that IPO regretted it later and thus we wait until they have products to sell or mine with. It takes milestones (or missed milestones) for stock prices to actually move. Most investors are just sitting and waiting...