Spicy Grilled Salmon

1 salmon fillet
1/2 cup olive oil
4 tbsp soy sauce
4 tbsp balsamic vinegar
3 tsp brown sugar
2 cloves minced garlic
1 tsp ground ginger
1-2 tsp crushed red pepper flakes (how spicy do you want to go?)
1/2 tsp salt

1. Mix olive oil, soy sauce, vinegar, brown sugar, garlic, ginger, red pepper, and salt.
2. Place salmon in resealable plastic bag. Add olive oil mixture and seal. Refrigerate 4-6 hours to marinate.
3. Grill filets for 10 minutes per inch of thickness of salmon or until flakes with a fork.