To manually update the status of an invoice, clicking the bidders name and changing the Paid/Unpaid status from the drop down menu.
1) Click "Auctions" on the far left.
2) Click on "Manage Auctions".
3) Click on the "Name" of your auction.
4) Click "Invoices".
5) Click on the Name the invoice you want to edit is listed as.
6) Select the payment method