It happened around 1:00 A.M. at Denim and Diamonds in Wichita Falls.
Wichita County Sheriff's Deputies say a man was walking out of the bathroom when another man stabbed him in the shoulder with a broken bottle.
They say the attacker then fled on foot and no arrests have been made at this time.
Officials say the victim was taken to the hospital what what appear to be non-life threatening injuries.
The incident remains under investigation.
We'll bring you more information as it becomes available