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.

Example Input: [5, -75, -38, -1]
Example Output: 6

Example Input: [15, 70, -35, -31]
Example Output: 4

Example Input: [-9, -76, 28, 21, 12]
Example Output:
7