Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Other Liabilities, Current [Abstract]

Schedule of Other Current Liabilities

Other current liabilities consist of the following (in thousands):

	As of December 31,
	2021		2020
Deferred revenue	$	72	$	67
Customer deposits		200		200
Restructuring liability		293		293
Embedded derivative liability		172		—
Total other current liabilities	$	737	$	560