Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Significant Accounting Tables Policies [Abstract]

Schedule Of Earnings Per Share

The following table provides a reconciliation of components of basic and diluted net (loss) income per common share:
		December 31,
		2012		2011		2010
Net (loss) income	$	(2,176,898)	$	453,202	$	464,459
Weighted average common shares outstanding
during the period		152,845		152,754		152,346
Effect of dilutive instruments		-	(1)	1,582		1,907
Weighted average common shares outstanding during
the period including the effects of dilutive instruments		152,845		154,336		154,253
Net (loss) income per common share - basic	$	(14.24)	$	2.97	$	3.05
Net (loss) income per common share - fully diluted	$	(14.24)	$	2.94	$	3.01
Number of shares not included in dilutive earnings per share that would have been anti-dilutive because the exercise price was greater than the average market price of
the common shares		-	(1)	1,030		1,214