You may also want to consider phasing in certain trade secrets. Say for example you have a three step assembly process that is proprietery in nature. At the first level of commitment by the buyer, your disclose step one. Once you have reached another level of negotiation or commitment by the buyer, your may consider releasing phase two. But, even as you move forward with disclosures you may want to leave certain technical specifics out of the disclosures and make sure the buyer understands that until the point of actual sale. You just need to be a little creative and a lot careful and most issues like this can be resloved, it just takes a little more work on the front end.