Is your Single Member LLC set up as an S Corp? If yes then post back. If you are not a S Corp it is a disregarded entity and you file it on Schedule C as self employment in your personal 1040 tax return. You can deduct a Net Loss against your other income.
To report your self employment income you will fill out schedule C in your personal 1040 tax return and pay SE self employment Tax. Here's a Schedule C https://www.irs.gov/pub/irs-pdf/f1040sc.pdf
You can enter Self Employment Income into Online Deluxe but if you have any expenses you will have to upgrade to Premium or use any of the Desktop CD/Download programs.