Wild Salmon Kabayaki

1 pound Wild salmon, cut into 4 fillets (patted very dry to avoid oil splattering) ¼ cup ume plum vinegar ¼ cup agave nectar 1 tablespoon olive oil 1 tablespoon grapeseed oil   Preparation In a small saucepan over medium heat, stir together ume plum vinegar and agave...