I am a Tidwell descendant and yes I have knowledge of the case. I wrote it in a blog here:
http://griotgramgeneaography.blogspot.com/2015/04/all-be-fre...
I found this information in a book on Google Books called:
Reports of Cases at Law and in Equity Argued and Determined in the Supreme Court of Arkansas:
My great great grandfather was Andrew Tidwell born 1844 aka Tony in one census. Please to make your acquaintance.