The following table provides a summary of activity with respect to the Company’s sales allowances and accruals during 2013, 2012 and 2011 (amounts in thousands):



	Cash Discounts			Returns			Chargebacks			Rebates			Fees-for- Service
Balance at January 1, 2011	$	1,119		$	627		$	13,863		$	11		$	2,634
Allowances for sales during 2011	10,911			3,807			60,318			1,159			9,136
Allowances for prior year sales	—			—			—			—			—
Actual credits issued for prior year’s sales	(1,119		)	(556		)	(8,481		)	—			(2,294		)
Actual credits issued for sales during 2011	(9,062		)	(7		)	(50,060		)	—			(6,207		)
Balance at December 31, 2011	1,849			3,871			15,640			1,170			3,269
Allowances for sales during 2012	12,240			854			68,179			—			9,914
Allowances for prior year sales	—			—			—			—			—
Actual credits issued for prior year’s sales	(1,849		)	(3,612		)	(9,673		)	(1,170		)	(2,885		)
Actual credits issued for sales during 2012	(10,230		)	—			(59,303		)	—			(6,721		)
Balance at December 31, 2012	2,010			1,113			14,843			—			3,577
Allowances for sales during 2013	15,943			2,524			130,374			—			12,059
Allowances for prior year sales	—			—			—			—			—
Actual credits issued for prior year’s sales	(1,871		)	(1,204		)	(10,244		)				(3,049		)
Actual credits issued for sales during 2013	(13,420		)	—			(109,933		)	—			(9,460		)
Balance at December 31, 2013	$	2,662		$	2,433		$	25,040		$	—		$	3,127