EE WAS STANDING AT EMPLOYEE BUILDING DOORWAY WITH HIS LEFT HAND ON THE DOOR JAM. A CO-WORKER ENTERED THE BUILDING THROUGH THE DOOR AND THE EE'S LEFT LITTLE FINGER SLIPPED INTO THE HINGE AND WA S PINCHED OFF AS THE DOOR SLAMMED SHUT. LEFT LITTLE FINGER TIP WAS CRUSHED OFF TO THE FIRST KNUCKLE.