Radio Buttons for Single Option Products

gistfile1.txt

<div class="variant-radios">
       {% for variant in product.variants %}
           <input type="radio" name="id" value="{{ variant.id }}" data-price="{{ variant.price }}" id="{{ variant.id }}"/>
           <label for="{{ variant.id }}">{{ variant.title }}</label>
       {% endfor %}
</div>
<script>
        jQuery(".variant-radios input").click(function(){
            var price= jQuery(this).attr('data-price');
            console.log(price);
            jQuery('.product-price').html(Shopify.formatMoney(price, "{{ shop.money_format }}"));
        });
</script>