1diff --git c/arelle/CntlrProfiler.py i/arelle/CntlrProfiler.py
2index a64bb1b..dc0299d 100644
3--- c/arelle/CntlrProfiler.py
4+++ i/arelle/CntlrProfiler.py
5@@ -1,5 +1,6 @@
6
7-import Cntlr, ModelManager, FileSource, time
8+from arelle import Cntlr, ModelManager, FileSource
9+import time
10 from optparse import OptionParser
11 import cProfile
12 import gettext
13diff --git c/arelle/ValidateFilingText.py i/arelle/ValidateFilingText.py
14index 12dbbbb..c0e98c3 100644