Dropdown controls in Netsuite doesn't work

Not sure this is a good place to report it please direct me to the proper place if wrong.

I use Firefox Developer Edition (latest version) on Linux Mint and at the company I work for we use NetSuite, unfortunately all the dropdown / select controls do not work. I know many people use standard Firefox on windows in here without issues.

What kind of information would be required to help fix this bug? Where can I submit this issue?