Long-term if the company is not hiding anything negative I think probably $1 to much higher.
Short-term if the company is not hiding anything negative I think 50 cents to $1 depending on future news events.
There is still a chance though that the company is being honest about its optimism but simply won't succeed. I just don't know. I am not a scientist. I am not in the medical field.
As a speculator if the company gets in production, I am looking for breakeven cash flow as the key objective.