Illinois joint filing when one spouse is technically unemployed

My husband and I filed jointly last year for the first time. Both of us had income. However, my husband has been technically unemployed since March. He has made a few hundred $ selling fishing lures he makes from home the rest of the year. If we file jointly does he have to report that income as self employment income no matter how small it is? If we have to pay a self employment tax on his very little income it is almost not worth him selling as what I am reading says to save 35% for taxes.