ACCRUED EXPENSES (Tables)

3 Months Ended

Mar. 31, 2016

Payables and Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses at March 31, 2016 and December 31, 2015 consisted of the following (in thousands):

	March 31, 2016		December 31, 2015
Government rebates payable	$	3,497	$	3,158
Compensation related costs	3,386		7,143
Accrued royalties and contingent consideration	4,459		4,688
Research and development	5,476		4,281
Selling, general and administrative	1,282		2,703
Legal fees	498		882
Interest	776		259
Miscellaneous accrued	1,018		706
	$	20,392	$	23,820