v2.3.0.15

Selling, General And Administrative Expenses

9 Months Ended

Sep. 30, 2011

Selling, General And Administrative Expenses [Abstract]

Selling, General And Administrative Expenses

17. Selling, general and administrative expenses

Selling, general and administrative expenses consist of the following:

		Three months ended September 30,								Nine months ended September 30,
		2010				2011				2010				2011
Personnel expenses		$	51,263			$	65,684			$	155,206			$	172,642
Operational expenses			17,811				27,868				56,369				71,286
Depreciation and amortization			2,198				2,316				7,865				6,105
		$	71,272			$	95,868			$	219,440			$	250,033

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