Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accrued Liabilities [Abstract]
Accrued sales and marketing expenses	$ 9,051	$ 7,124
Accrued taxes, tax reserves and interest	4,410	3,500
Accrued compensation and benefits	3,232	4,409
Accrued professional fees	1,570	666
Other	3,164	2,658
Accrued and other current liabilities, total	$ 21,427	$ 18,357	[1]

[1] Goodwill increased $1.0 million and accrued and other current liabilities increased $1.0 million related to the Company recording a liability for expired product that existed at the time of the NovaMed acquisition, related to pre-acquisition Aggrastat product sales. Goodwill also increased $0.9 million related to the Company changing from the “sell-in” method to the “sell-through” method of revenue recognition for certain Pfizer products sold by the Company.