I had a written contract, to remodel a basement while I'm doing the work the customer liked my work and gave me more work under a verbal contract, after the job was done, she doesn't want to pay me, and she selected few items out of the long list and put her own price out of 17,000 she paid me $1500.00 only. I put a mechanic's lien on her property, now I want to enforce that lien. thanks