Business and Significant Accounting Policies (Details 2) (USD $)	1 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2012
Business and Significant Accounting Policies
Prompt pay cash discounts		$ 53,000
Qsymia shelf life period	24 months
Period prior to the product expiration date during which customers have right to return the product	3 months
Period after the product expiration date during which customers have right to return the product	12 months
Deferred revenue related to shipments of Qsymia (in dollars)		1,200,000
Advertising Expenses
Advertising and sales promotion expenses incurred		$ 16,100,000