Tenant Owes Money after breaking the lease

[Gracy Josh]

our tenant broke the lease ... He's been in that house for about 2.5 years ... He was always on default ... Never paid the rent on time... we never charged them any late fee on humanitarian consideration because every time he will come up with some personal issues... But when he said he is gonna vacate the home he had defaults on rent. we have 2 months rent as security deposit , we told them we could deduct that amount on rent only if the house is returned in good condition... when we inspected, the house was in very pathetic state...they didn't inform us about the dog and it wasn't on the lease either but we found that they had a dog and 2 cats...The dog caused much damage to 2 of the doors. But the tenant fixed it by applying some white cement or something and fixed the paint and other wall damages... But the carpet was not steam cleaned ...full of stains and bubble gums everywhere... the lawn was now even maintained...full of weeds...grass almost dead... so we had to put some fine for carpet and lawn...And also for the lease breakage... Now the balance amount is huge .... he said he'll pay some amount this month and will get a document signed by notary to pay the remaining balance in a month. n we agreed to it too .. now he is not answering our phone calls...no reply to text / emails... what should we do now?