I think they ran 2 courses per year, with a max of 15 students per course.
Lets do the math, 30 students per year x £3,000 per course (approx)=£90,000
4 full time lecturers x £30,000pa salary (est) = £120,000
I think you have your answer.
Added to above figures is classroom costs, heating, lighting, course note printing, folders etc.
They also did distance learning but I don't think it was well subscribed.
As they were housed in an actual eductional institute I think they got grants from the EU per capita for each student. Even so I think it was difficult to make ends meet. Shame, as I got my ATPL's there with good marks and had a great time in Glasgow.