Maybe.   Did you fill out the 5405?

Here is information regarding First Time Home Buyer Credit that will help  

https://www.irs.gov/pub/irs-utl/oc_fthbc_lookuptoolfinal.pdf

also on the Home Sale Worksheet at the very top is check box for repayment of FTHBC when home is sold

2010?  No repayment of the credit now.

Gain or a loss?

Bill - good memory.  I forgot that for all but one of the years (I think...maybe two?) that you didn't have to repay it.