diff -r 3e93c61f6be0 -r 9765cf7cf817 server/bo_client/app/models/document.js
--- a/server/bo_client/app/models/document.js	Fri Jan 15 17:16:49 2016 +0100
+++ b/server/bo_client/app/models/document.js	Sat Jan 16 00:33:26 2016 +0100
@@ -3,18 +3,18 @@
 import _ from 'lodash/lodash';
 
 export default DS.Model.extend({
-  //id: DS.attr('string'),
+  //id: attr('string'),
   uri: DS.attr('string'),
 
   title: DS.attr('string'),
 
   language: DS.attr('string'),
 
-  publishers: DS.attr({defaultValue: []}),
+  publishers: DS.attr({defaultValue: function() { return []; }}),
 
-  contributors: DS.attr({defaultValue: []}),
+  contributors: DS.attr({defaultValue: function() { return []; }}),
 
-  mediaArray: DS.attr({defaultValue: []}),
+  mediaArray: DS.attr({defaultValue: function() { return []; }}),
 
   mediaList: Ember.computed('mediaArray', function() {
     var res = [];