I am not sure that they would have to wait until they reach a certain number to do a forward split. I do know that they need to stay over $1 to stay compliant with the NAZDAQ among other requirements.
I wish I knew the following:
1. How long does it take to develop a test that can be marketed? 2. What are the costs to develop a test? 3. Does the FDA have to approve of any test to make them viable or if not the FDA what body determines a test is accurate enough to use to detect an ailment?