Promissory Notes (Tables)

9 Months Ended

Sep. 30, 2021

Notes Payable, Current [Abstract]

Schedule of of outstanding convertible notes

The following table summarizes the outstanding promissory notes as of September 30, 2021 and December 31, 2020 (dollars in thousands):

		September 30, 2021				December 31, 2020
	Interest Rate	Principal Amount		Carrying Amount*		Principal Amount		Carrying Amount*
Vendor Note Payable	0.25%-4%	$	75	$	75	$	105	$	105
Small Business Association Paycheck Protection Program	1.0%	342		342		460		463
Promissory Note		—		—		—		—
Total		$	417	417		$	565	568
Less: Current portion				(417)				(568)
Long-term Note, less current portion				$	—			$	—

______________________________________________

*Carrying amount includes the accrued interest.