If half the total social security for both of you plus the $8,339 of other income is less than $32,000, none of your social security is taxable and you would not be required to file a tax return unless your income was from a 1099-MISC for self employment.
You can verify whether you need to file or not using this FAQ: https://ttlc.intuit.com/questions/1901490-do-i-need-to-file-a-federal-return-this-year
