Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Payables and Accruals [Abstract]

Schedule of Accrued Current Liabilities

Accrued current liabilities consisted of the following (in thousands):

	At December 31,
	2018		2017
Accrued payroll and related benefits	$	435	$	394
Accrued sales commissions and incentives	115		124
Accrued warranty expense	258		174
Accrued severance and related benefits	188		—
Accrued restructuring - short-term	156		170
Accrued legal and professional fees	160		77
Accrued other expenses	73		53
Total accrued liabilities	$	1,385	$	992