The Jets said in a statement on Wednesday that Little had received 25-30 stitches for a laceration after being struck near his left ear on Tuesday night and was then transferred to a hospital neurological unit for further observation.
"Little was alert at all times and is in good spirits this morning," the team said. "Further updates will be provided when available."
Little, 31, of Canada, had missed the first nine games of the NHL season with a concussion. He has two goals and three assists in seven games.
was skating behind the net in the third period when teammate Nikolaj Ehlers ripped a slapshot that hit Little on the left side of his head.
He fell to the ice, holding his head in his hands, before he was helped to skate off.