1. Open the report and select the General tab
2. Mark the checkbox for Only include records with a balance greater than $0.00.  
NOTE:  this will also exclude any records with a credit balance (less than $0.00)
              to see records with a credit balance
              a. Run the Account Balance Report OR
              b. Create a query with a criteria of account balance does not equal $0.00 and use this query in the filters tab of your report parameter. Transactions must be assigned to and owned by the correct record(s) in order for the query results to be correct.
3. For in aging period, select the current aging period (for example, select 0-30 or Current)
4. Save and preview the report.