Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2011

Components of Accrued Expenses

	September 30,		December 31,
	2011		2010
Salaries and benefits	$	863,668	$	884,243
Product warranties		248,975		236,131
Restructuring, current		50,569		61,933
Derivatives		205,259		36,879
Other		988,977		870,849
	$	2,357,448	$	2,090,035

Activity in Warranty Accrual for Product Warranty

	For the Three Months Ended				For the Nine Months Ended
	September 30,		September 30,		September 30,		September 30,
	2011		2010		2011		2010
Balance, beginning of the period	$	248,395	$	249,090	$	236,131	$	271,594
Provision		42,535		28,155		130,775		86,897
Amounts charged to the accrual		(41,955)		(37,726)		(117,931)		(118,972)
Balance, end of the period	$	248,975	$	239,519	$	248,975	$	239,519