After you file

If both spouses married filing jointly collected $10,200 or more in unemployment, then the refund could be o $20,400 of unemployment not taxed.  

If you paid the $1000 due, than that may have been refunded.

The IRS will send you a notice within 30 days explaining how they determined your refund.  If there was an error, then you will also receive a notice of the amount to be repaid.