Convertible Promissory Note (Tables)

12 Months Ended

Dec. 31, 2021

Convertible Promissory Note [Abstract]

Summary of Convertible Promissory Note

Total Convertible Promissory Note consisted of the following (in thousands):

	December 31, 2020
Principal amount	$	6,500
Discount related to the derivative liability and issuance costs		(1,553	)
Net carrying amount of Convertible Promissory Note	$	4,947

Summary Of Interest Expense Of Convertible Promissory Note

Interest expense incurred in connection with the Convertible Promissory Note consisted of the following year ended December 31 (in thousands):

	December 31,
	2021		2020
Coupon interest at 6%	$	86	$	143
Accretion of discount and amortization of issuance costs		177		274
Total interest expense on Convertible Promissory Note	$	263	$	417