Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2017

Accounts Payable and Accrued Liabilities, Current [Abstract]

Accounts Payable and Accrued Expenses / Costs

ACCOUNTS PAYABLE AND ACCRUED EXPENSES

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

	2017		2016
Payroll and other employee benefits	$	465	$	1,593
Accrued vacation	294		533
Accrued legal expenses - patent	5,479		6,564
Foreign taxes payable	15		3,150
Accrued consulting and other professional fees	1,364		1,967
Other accrued liabilities	339		476
	$	7,956	$	14,283