If you are working from home and want to take advantage of the home office deduction, you no longer have to keep detailed records of certain expenses and prorate these by the square foot. The IRS has a simplified method available starting with your year 2013 tax return:
http://www.irs.gov/uac/Newsroom/Simplified-Option-for-Home-Office-Deduction-1
Contact your tax preparer at our office for information on whether the simplified method is appropriate for your situation.