HOUSTON--(BUSINESS WIRE)--Ignite Restaurant Group, Inc. (NASDAQ:IRG) today announced that it will host a conference call to discuss fourth quarter 2014 financial results on Thursday, March 12, 2015 at 5:00 PM Eastern Time. The conference call can be accessed live over the phone by dialing 888-670-2246 or for international callers by dialing 913-312-1496. A replay will be available one hour after the call and can be accessed by dialing 877-870-5176 or 858-384-5517 for international callers; the