Condensed Consolidated Statement of Stockholders' Deficiency (Parenthetical)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Percentage of dividend on convertible preferred stock	1.50%	1.50%	1.50%	1.50%
Series G 1.5% Convertible Preferred Stock [Member]
Percentage of dividend on convertible preferred stock			1.50%