Is there a "tram" that runs from check in to the terminals? Or do they have a wheelchair service.

Check with your airline to arrange wheelchair service.

There is no tram. It is a small airport. When you check in just request assistance. They will help. Whether you need a wheelchair or need a ride on their electric carts, you may request online or at the counter. They provide assistance at security too. So do not worry. Make sure the request goes to your destination on too do they will be waiting at your gate when you land