ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 2015

Payables and Accruals [Abstract]

Schedule of accrued expenses

Accrued expenses consist of the following at December 31, 2015 and 2014:

	December 31, 2015		December 31, 2014
Compensation related costs	$	7,143	$	8,163
Severance related costs	315		5,710
Research and development	4,281		3,720
License fee	—		3,000
Legal fees	882		1,208
Interest	259		2,318
Government rebate reserves	3,158		1,353
Selling, general and administrative	2,703		2,411
Royalty/contingent consideration	4,688		—
Miscellaneous	391		—
	$	23,820	$	27,883