What happens in 'the mean time', will determine what happens at the end of your 15 month hold. Investors that have questions should have them answered in a timely manner, updates provided, and the financial status of the company is absolutely an aspect that we should be kept well informed of.
Only a foolish investor places sums of money into a company that he would trust blindly, does not check on, and asks no questions of. Even the best DD will change over time giving the ever changing conditions of business.
When the investors are the ATM machine that is funding this operation, their questions should be given top priority and every effort should be made to to keep them in the loop.