Sure. To be clear though, long time investors have funded the company's success (or otherwise) over the years through dilution.
In spite of that, those that stayed with the company, I'm sure, believe in the company.
My understanding though from recent posts, funding attempts from investors were rebuffed.
But, if the company determines that STeP is the best path, and needs (and will accept) investors funds to grease the process, I'm sure they will get sufficient investor participation - through appropriate funding channels, of course.
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