Thank you for explaining your needs, we do in fact have a report like what you're looking for! It can be found under Reports > Accounting > Sales Tax Liability, this report shows all orders and thee state they are to be taxed to.
To setup a taxes for Idaho:
- go to Store > Tax Rates
- under "Select" choose "state"
- for "Tax Rate" type in .06
- under "State" choose "ID"
- click "Save"
- click "Offline" on the tax rate to turn on auto tax calculations