This was certainly not good timing for BD from a business perspective. If you can keep at it and continue to detach, then at least you won't put the business or your "livelihood" at risk, although if you are not getting some... SOME... immediate (cash) compensation for what you are doing, you are (both) hurting yourself.

It's a really tough call, given the context of the situation. This is not formal advice, but I think it would be good if you could at least try to formalize the business and wages before you start talking dissolution of the business.