Convertible Debt (Tables)

3 Months Ended

Mar. 31, 2012

Key Components of Convertible Debt

	For the Three Months Ended
	March 31,		March 31,
	2012		2011
Contractual interest expense on the coupon	$	7,523	$	15,094
Amortization of the discount component recognized as interest expense		14,700		29,363
Total interest expense on the convertible debt	$	22,223	$	44,457