Delaware Code
Subchapter I. General Provisions
§ 902. Exclusion of offensive patrons.

The proprietor of a theatre or other public place of amusement is not obliged to receive into the proprietor's show, or admit into the place where the proprietor is pursuing the proprietor's occupation, any person whose presence there would be offensive to the major part of the proprietor's spectators or patrons and thereby injure the proprietor's business.