Liongard's Active Directory Inspector will pull data on User Activity and Computer Activity. The statuses are determined as follows:
New & Never Used:
Enabled
Created less than seven days ago
Never logged on
Never Used:
Enabled
Created more than seven days ago
Never logged on
In Use Recently:
Enabled
Logged in within the last 30 days
Stale:
Enabled
Last login was more than 30 days ago