"If an extra 100 million shares were sold, where's all that cash?"
There are many ways that unauthorized shares can be sold with the result that the money seems to vanish into thin air. I'm not saying that's what happened here but one of the most common forms of stock fraud is for the company to buy worthless "assets" and use shares to pay for them. Typically the "assets" will be provided by one of the principals of the company or it is later discovered that they came from an associate that the principals had conducted business with in the past.
The shares are then sold on the open market and the money ends up in the pockets of the person that sold the worthless junk to the company. In this type of scam it's typical that the company insiders are at the center of the activity since they of course know very well that they aren't getting anything for the shares they gave away.
If you see a company with an unusually large number of shares beware... Someone at the company exchanged them for something else and if the company doesn't have any assets then the shares have very little value to stock holders.
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