Americian stuck in Thailand

I am an americian living in Thailand I have been here for 12 years now on marriage visa in the past year i was very sick with Congested heart failure,then broncitus then pnumonia now asthema. i used up my hole savings for being in the hospitial,so i have no more money to show for my visa.I need to leave the country and go back to the United States.I lived here for 12 years now i dont have any friend anymore of family that can help me i need to start from nothing again.I have till march then i will be over stay.iI need money for plane ticket and a place to live when i get there and also to renew my license.I hope some one can help.