Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

	2012			2011		2010
Numerator:
Net income (loss)	$	(614,578	)	$	37,091	$	68,369
Denominator:
Denominator for basic earnings per share—weighted average shares outstanding		1,682,994			1,655,805		1,605,769
Denominator for diluted earnings per share—weighted average shares outstanding and assumed conversions		1,682,994			1,655,805		1,605,769
Basic earnings (loss) per share	$	(0.37	)	$	0.02	$	0.04
Diluted earnings (loss) per share	$	(0.37	)	$	0.02	$	0.04