Injured slipped on top of roof bolter while cleaning it. He went to ER and was released to return to work on 8/17/09. On 8/18/09 he returned to orthopedic dr. and was taken off work until 8/24/09. No diag. was made therefore the co. had not made a determination on reporting until 08/26/09. The mine was idle until 08/24/09.