The airport is small with one simple and clear terminal, which has only a ground floor, or the first floor is only for departing passengers (there is a security checkpoint). From the entrance to the terminal to the exit to the aircraft you walk a total of barely 50 metres.
The airport terminal is always open 2.5 hours before the first departure in the morning and closes 2 hours after the last arrival.
A map of the terminal, including a virtual tour, is available on the airport website.