Derivative Liability (Tables)

6 Months Ended

Jun. 30, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Changes in Fair Value of Derivative Liability

Changes in the fair value of our exit fee derivative liabilities recurring measurements included in Level 3 of the fair value hierarchy are presented as other income, net in our statements of operations and were as follows for the three and six months ended June 30, 2022 and 2021 (in thousands):

	2022		2021
Balance at January 1,	$	698	$	1,376
2022 Exit Fee addition at fair value	375		—
Changes in estimated fair value:
2018 Exit Fee	$	(29)	$	(713)
2022 Exit Fee	$	47	$	—
Balance at June 30,	$	1,091	$	663