In this task you will be given a list of integers. You should find the minimum absolute difference between 2 integers in the list. The absolute difference is the absolute value of one integer subtracted by another. The output should be a single integer which is the smallest possible absolute distance.

[5, -50, 62, 30, -18, 45]
15

[82, -25, -76, -53, 43, -21]
4

[48, -52, -4]

48