You need to contact a good attorney now. A theft conviction, even as relatively minor as one in your case, will have permanent consequences that will hamper your future plans. Do not go to court without a lawyer. Do not enter a plea of guilty or no contest without first talking to a lawyer.
Joseph Vinas answers questions on Avvo for general information and not as legal advice. Those answers do not establish an attorney/client relationship. Please contact Mr. Vinas at (713) 229-9992 for a FREE CONSULTATION or visit his website at www.vgsfirm.com