Elegant Alaskan Scallops

• 1 pound sea scallops • 1/2 tablespoon olive oil • 1/2 cup mushrooms, thinly sliced • 1/4 cup green onion, minced • 1 clove garlic, minced • 1/4 teaspoon pepper • 1/4 teaspoon salt • 1/4 cup dry sherry