Where to take your research ideas when you don't have a PhD/Master's
There is a world of difference between a research idea and a research result.  

For an actual research result, the right thing to do is to write it up and publish it in an appropriate peer-reviewed journal.  If one is concerned about intellectual property theft, then put it on a preprint server like arXiv first.

Research ideas on the other hand, are a dime a dozen, and there's often no way of judging their value until somebody has executed them.  Moreover, most scientists have more ideas than they have opportunities to execute, and are frequently offered new research ideas of dubious value.  For example, as a graduate student, I was contacted by a man who wanted help implementing his research idea: all he needed was somebody to get his trash-can robot to understand "All in the family" episodes better so that it could irrigate the Sahara desert and solve world hunger.

If you have a research idea, then, there are really only three basic paths that you can take with it:


Work on those aspects of it that you can work on, given the resources you can get access to (personally, in a community lab, through collaborators, via a startup, etc.)
Keep it in reserve to work on later.
Give it away to others.


Note that none of these actually have any requirement of any particular credential or affiliation.  It is just that credentials are strongly correlated with having gained sufficient scientific skills to construct and present a solid result, and credentials and affiliations make it easier to get access to resources for executing on ideas.