4. Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Schedule of accrued expenses

	2019		2018
	(In thousands)
Accrued litigation liabilities	$	6,181	$	3,803
Accrued consulting and other professional fees		470		–
Foreign taxes payable		–		374
State income taxes payable		27		–
Short-term lease liability		435		–
Other accrued liabilities		152		122
	$	7,265	$	4,299