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: [90, 72, -10]
Example Output: 18

Example Input: [61, 15, 100, 68, 2]
Example Output: 7

Example Input: [55, 9, -90, 64]
Example Output:
9