Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2018

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, 2018 and 2017 (in thousands):

	2018		2017
Payroll and other employee benefits	$	205	$	465
Accrued vacation	144		294
Accrued legal expenses - patent	5,974		5,479
Foreign taxes payable	374		15
Accrued consulting and other professional fees	1,241		1,364
Other accrued liabilities	409		339
	$	8,347	$	7,956