Even though in 2019, with the DSS revenue boost received by SFOR, revenue only reached $768,000. In 2018 that amount was about $233,000. That is average yearly income of about $500,000.
Reference
https://www.sec.gov/Archives/edgar/data/12855...or_10k.htm
My comments are only my opinion and are not to be used for investment advice. Please conduct your own due diligence before choosing to buy or sell any investment.