Accrued Expenses

12 Months Ended

Dec. 31, 2022

Accrued Expenses [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consist of the following (in thousands):

	As of December 31,
	2022		2021
Accrued returns and warranty	$	49	$	36
Accrued consulting fees and other		151		335
Total accrued expenses	$	200	$	371