It's not very realistic to expect a reply within six hours. Patience is a virtue. :)
Over the weekends they very likely have minimal staff, too. I don't know what their staffing over weekends is, but they're a small company and I bet their staff want their family time, as you probably do too. So while someone is probably monitoring, it might be one person who has a lot to do! :)
So patience ... always make a post and come back and check 24 hours later to see if there's a response.
Deb, in New Zealand