We sell prepaid blocks of programming support time and would actually like our customers to be able to see this information. Is there a way to make this happen?

Inside Basecamp it’s not possible as far as I know. Perhaps one of the ‘extras’ makes this possible: http://www.basecamphq.com/extras

Export the report as a .csv file or print the report as a PDF and post it in the files section.

maybe you would want to check this service out. http://www.tickspot.com/