Rave Restaurant Group, Inc., through its subsidiaries, engages in the operation and franchising of pizza buffet, delivery and carry-out, express restaurants, and ghost kitchens under the Pizza Inn and Pie Five trademarks in the United States and internationally. It operates through Pizza Inn Franchising, Pie Five Franchising and Other segments. The company's buffet restaurants offer dine-in, carryout, and catering services, as well as delivery services; delivery/carry-out units provide delivery and carryout services; and express units serve customers through various non-traditional points of sale. It also operates Pizza Inn Express restaurants that serves customers through a non-traditional, licensed, pizza-only model called Pizza Inn Express; and Pizza Inn Ghost Kitchen units serves throu…