Accounts Payable And Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2012

Accounts Payable And Accrued Liabilities [Abstract]

Schedule Of Accounts Payable And Accrued Liabilities

	June 30,		December 31,
	2012		2011
Accounts payable	$	2,857	$	2,417
Accrued compensation		2,497		3,235
Accrued clinical trial expense		325		31
Accrued rebates and sales discounts		3,161		2,626
Allowance for product returns		11,909		9,843
Accrued contract sales organization fees		3,560		3,365
Other accrued liabilities		5,859		5,267
Total accounts payable and accrued liabilities	$	30,168	$	26,784