Pretty easy
They ask you what you want to accomplish there and why did you apply
The interview will be with the owner (being a family owned business) he will be the one having the last world and even if you are the best candidate in the world, if he doesn't like you, no chance of you being hired!
Interview questions [1]
Question 1
What were your mansions at the previous company
Why did you left?
What makes you want to join this company?