Fireplace doors are too big

I moved into a house and the fireplace glass doors are too wide so that they won't close. I've looked around and can't find just replacement doors. I can't imagine how they got that way. Is there anyway to fix them or replace them without replacing the whole insert?
Mac Cool

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.