XML 29 R36.htm IDEA: XBRL DOCUMENT

Income taxes (Details Textual)	3 Months Ended
Income taxes (Details Textual)	Mar. 31, 2013	Mar. 31, 2012
Effective Income Tax Rate, Continuing Operations	40.00%	(11.00%)
State and local, net of federal tax		(50.00%)

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details