RESTRUCTURING (Tables)

12 Months Ended

Dec. 31, 2016

Restructuring And Related Activities [Abstract]

Summary of Restructuring Costs by Function

The following table summarizes the restructuring costs by function for the period indicated:

	For the Year Ended December 31, 2016
	(in thousands)
	Cash		Non-cash (1)		Total
Research and development	$	1,631	$	382	$	2,013
Selling, general and administrative		2,020		529		2,549
Total restructuring expenses	$	3,651	$	911	$	4,562

(1) The non-cash restructuring expenses include the following:

a. $0.8 million accelerated depreciation for certain assets

b. $0.1 million acceleration of stock option vesting

Summary of Restructuring Reserve

The following table summarizes the restructuring reserve for the period indicated:

	For the Year Ended December 31, 2016
	(in thousands)
Restructuring expenses incurred during the period		3,651
Amounts paid during the period		(2,063	)
Restructuring reserve ending balance	$	1,588