Fair value (Tables)

3 Months Ended

Mar. 31, 2021

Fair value.

Schedule of Fair value hierarchy for assets and liabilities

The following table presents the Company’s fair value hierarchy for assets and liabilities measured at fair value as of March 31, 2021 and December 31, 2020:

	March 31, 2021
	Level 1		Level 2		Level 3		Total
Liabilities:
Recurring
Net liability arising from put/call options	$	—	$	—	$	559,000	$	559,000

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Liabilities:
Recurring
Net liability arising from put/call options	$	—	$	—	$	690,000	$	690,000

Schedule of Net liability arising from put/call options

The activity for the Level 3 liability for the three months ended March 31, 2021:

Net liability arising from put/call options
Balance as of December 31, 2020	$	690,000
Unrealized gain		(131,000)
Balance as of March 31, 2021	$	559,000