Warrant Liabilities (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2021

Dec. 31, 2020

Equity [Abstract]

Summary of outstanding warrants

The following table summarizes the Company's outstanding warrants (dollars in thousands):

	5-Year Private Warrants			Seller Warrants			Total
	Shares	Amount		Shares	Amount		Shares	Amount
Balance at January 1, 2021	9,888,415	$	15,326	12,621,623	$	63	22,510,038	$	15,389
Fair value adjustments	—	(9,459)		—	(34)		—	(9,493)
Balance at March 31, 2021	9,888,415	$	5,867	12,621,623	$	28	22,510,038	$	5,897

The following table summarizes the Company's outstanding warrants (U.S. dollars in thousands):

	5-Year Private Warrants			Seller Warrants			Total
	Shares	Amount		Shares	Amount		Shares	Amount
Balance at January 1, 2020	—	$	—	12,621,623	$	18	12,621,623	$	18
Additions	10,240,000	12,185		—	—		10,240,000	12,185
Transfers	(351,585)	(581)		—	—		(351,585)	(581)
Fair value adjustments	—	3,722		—	45		—	3,767
Balance at December 31, 2020	9,888,415	$	15,326	12,621,623	$	63	22,510,038	$	15,389