Accrued Expenses

12 Months Ended

Dec. 31, 2021

Payables and Accruals [Abstract]

Accrued Expenses

7. Accrued Expenses

Accrued expenses consisted of the following:

	December 31,
	2021		2020
Compensation, severance and related benefits	$	524	$	218
Legal services		17		-
Product warranty		18		-
Personal property and franchise tax		5		57
Other		14		17
Total accrued expenses	$	578	$	292