Most of this is related to legal issues which I doubt many will want to answer. See legal advice.
On the sanity side, are you losing any money? Is the company making money?
Sometimes it is better to move on to other projects unless you were well protected by a contract.
Don't stop taking massive action.
Best of Luck,
Michael T. Irvin
michaelirvin.net
My books are available exclusively through Amazon Books. Check out my book "Copywriting Blackbook of Secrets"
Copywriting, Startups, Internet Entrepreneur, Online Marketing, Making Money