Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Change in Sales Allowance and Reserve

The following table summarizes an analysis of the change in the government rebates for lomitapide and metreleptin for the period indicated:

	Amount
	(in thousands)
Balance as of December 31, 2017	$	13,471
Provision	18,530
Payments	(17,092		)
Balance as of September 30, 2018	$	14,909