XML 24 R8.htm IDEA: XBRL DOCUMENT

New Accounting Pronouncements	3 Months Ended
New Accounting Pronouncements	Mar. 31, 2014
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Description of New Accounting Pronouncements Not yet Adopted [Text Block]	New Accounting Pronouncements Management believes that recently issued standards, which are not yet effective, will not have a material impact on CERC’s consolidated financial position, results of operations or cash flows upon adoption.