A Perth Amboy man was found stabbed to death in his apartment in the city Friday, authorities said. The victim, Barry Idesis, was discovered by his father, who then called 911, the Middlesex County Prosecutor’s Office and Perth Amboy Police Department announced Saturday. Idesis suffered multiple stab wounds to his body and was pronounced dead at the scene, authorities said. He was last seen entering his apartment building on Mechanic Street during the early evening Wednesday, authorities said. The investigation is ongoing, authorities said. Anyone with information should call the Perth Amboy P…