As already mentioned, you tried diplomacy and it failed. Do you trust this guys? I mean, do they act like they do because of malice or stupidity? In case it i

As already mentioned, you tried diplomacy and it failed. Do you trust this guys? I mean, do they act like they do because of malice or stupidity? In case it is not much additional work, give them the demo without access to the source. This way you are still in the game and they are under pressure to work _with_ you in case the investor likes your stuff.