I have no idea but if you check the last 10 Q Harvey Katz is mentioned of course he didn't last long as everything about this companies press releases are nothing but fluff.
CRD#: 2284078 PR Previously Registered Broker Barred FINRA has barred this individual from acting as a broker or otherwise associating with a broker-dealer firm.
2 Disclosures
8 Years of Experience 9 Firms
Here is the Investor Relations man who is now working at ETST a barred stockbroker. What company would hire a barred stockbroker except one that is full of fraud. The man shouldn't even be near a company doing any investing business.