Accrued Expenses

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consist of the following (in thousands):

	As of December 31,
	2019		2018
Accrued returns and warranty	$	24	$	17
Accrued consulting fees and other		517		248
Total accrued expenses	$	541	$	265