to be fair, their competition has well-known financials. The size of the existing market for blood tests is already large; any penetration would give you a sizable business.
"If this company obtains 1% of a $500 billion market, things will be great!" is not due diligence. Here, everything realistically comes down to the technology because the company's ability to gain and sustain market share is almost wholly dependent on it having a superior technology.
Tech? That's for the nerds. The light is blinking so it's fine I guess