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