At this time because you have made this purchase with Groupon you will need to contact them directly for further assistance.
They can be reached at:
*https://www.groupon.com/customer_support
We are not able to provide you any services to include Refunds, Redemption status and or reverse any Accidental Redemption for Groupon made purchases however, We are confident that our friends at Groupon will get everything taken care of for you.