For more detailed reporting use the reports at Admin->Reports to generate detailed reports which can be viewed in graph/report form or exported to Excel or any other data manipulation tool from the data view.
Reports are generated in real time and once created can be retrieved at any time from the saved reports tab:
The following reports are currently available and we're adding to the library all the time:
The User Engagement report shows the most active users for a given period and general usage over time. It also contains a bubble chart illustrating the most popular periods of activity:
The Site Activity Report contains all details of site usage including page views, ideas created, comments created and votes cast: