ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 2017

Payables and Accruals [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following at December 31, 2017 and 2016 (in thousands):

	2017		2016
Compensation related costs	$	7,749	$	7,441
Research and development	6,989		7,311
Government rebate reserves	5,883		6,967
Selling, general and administrative	3,896		3,333
Royalty/contingent consideration	6,429		5,766
Restructuring expenses	3,549		893
Miscellaneous accrued expenses	1,523		1,597
Total accrued expenses	$	36,018	$	33,308