Delayed payment of buyer of real property

we sold our property to a family through Bank loan. Then a company which the family is president change all the contract to sell and deed of sale from family to company which causes the delay of bank release.then the company delayed the payment for mortgage registry which cause another delay. Nw the register of deeds said that mortgage registry is accepted and in the process which will take 20 days or more. anothr delay of bank release. we are supposed to finished the sale by january or february 2014 in front of their lawyer which the first agreement took place. Can we file for damages for the delay of payment through their pault by being not in good faith about the sale deal. Now our property TCT is already in their name and registered in their company and do not know what delay the company will do again. May we beg your good office for help and advice regarding the said intentioal delay of payment or bank relase of payment.Thank you very much for your anticipated assistance.