ACCRUED EXPENSES & WARRANT LIABILITY

3 Months Ended

Mar. 31, 2018

Payables and Accruals [Abstract]

ACCRUED EXPENSES & WARRANT LIABILITY

ACCRUED EXPENSES & WARRANT LIABILTY

Accrued Expenses

The components of accrued expenses are as below:

	March 31, 2018		December 31, 2017
	(in thousands)
Legal - Litigation / Licensing	$	650	$	—
Compensation	2,452		1,233
Other	—		70
	$	3,102	$	1,303

Warrant Liability

A summary of the Company's Level 3 derivative liabilities for the three months ended March 31, 2018 is as follow (in thousands):

Balance, December 31, 2017	1,096
Fair value change of derivative liabilities	2,106
Balance, March 31, 2018	$	3,202